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December 29th, 2024

Custom-Honed Full-Length Dies — Advantages Over Bushing Dies

Honed FL Forster Whidden Full-length dies
For some applications, we prefer a non-bushing FL die over a bushing die. Shown here are three Forster full-length sizing dies, with necks honed to three different dimensions: 0.265″, 0.266″, and 0.267″.

The Honed Full-Length Sizing Die Option

There are many good options in full-length (FL) sizing dies. Most precision hand-loaders prefer FL dies with neck bushings. These let you adjust the “grip” on your bullet by using larger or smaller bushings. FL bushing dies are available from Whidden Gunworks, Forster, Redding and other makers.

Conventional, non-bushing full-length sizing dies can create ultra-accurate ammo with very low run-out. But many conventional non-bushing FL dies have an undersized neck diameter so you end up with excess neck tension, and you work the brass excessively.

There is another effective option, one that promises extremely low run-out. The honed FL die is a full-length sizing die that has the necked honed to provide a precise fit to the case-neck. When done right, honed FL dies produce extremely straight ammo — as there are no issues with bushing alignment (or bushings that are not perfectly concentric). This Editor owns honed dies from Forster, Redding, and Whidden Gunworks. They all perform extremely well, delivering match ammunition with extremely low run-out measured with a 21st Century Concentricity Gauge.

In one of the most popular articles we’ve ever published, Bugholes from Bipod, California shooter “Froggy” explained why he prefers honed dies for his tactical ammo.

Q: Do you FL size every time? Do you use custom dies?

Absolutely, I full length resize all of my brass every time I reload. And guess what? I’ve never had a feeding problem.

I do use a modified sizing die, without bushings. My FL resizing die has been custom-honed in the neck area to give .0015″ press fit on the bullet. I also put a slightly larger radius at the neck shoulder junction. I feel that this helps to seal the chamber. With this die, I get consistent neck tension every time–without bushings. Bushings are useful when you’re fishing around for a good load. But once you find the right amount of sizing for ideal neck tension, you can do this better with a customized FL die.

6.5 Guys Review Forster Honed Full-length Dies
The 6.5 Guys have reviewed honed FL sizing dies from Forster, explaining the pros and cons of this type of reloading die. They explained that, if you load a wide variety of bullets from different manufacturers, you many want to stick with a Bushing FL die. However, if you have settled on a particular bullet and found the “ideal” neck tension, then a honed die may make sense.

In this Gear Update, the 6.5 Guys discuss a service offered by Forster Products to custom hone the neck diameter of its full-length sizing dies to the customer’s specifications (to the thousandth). Whidden Gunworks also offers custom-honed FL dies.
This article is Copyright 2023 AccurateShooter.com. Any publication on another website is unauthorized and obligates monetary compensation and statutory damages.

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December 28th, 2024

Access 60+ Authoritative Sierra Ballistics Articles for FREE

Sierra Bullets Ballistics Resources

Need some informative reading material for winter days? Here’s a vast resource available free from Sierra Bullets. Here are links to over 60 articles with information on bullets, ballistic coefficients, wind drift, up/down angles, temperature effects, tailwind effects and much more. Most of these resources come from the respected Sierra Reloading Manuals, 4th and 5th Editions. There are enough articles to read one per week for a year!

Major Ballistics Reference Articles
The Ballistic Coefficient by William T. McDonald & Ted C. Almgren (Adobe .PDF)
Deflections and Drift of a Bullet in a Crosswind by William T. McDonald (Adobe .PDF)
Inclined Fire by William T. McDonald

Table of Exterior Ballistic Coefficients
(5th Edition Reloading Manual)

Rifle
Handgun
.22 Rimfire

Exterior Ballistic Tables
(4th Edition Reloading Manual)

Rifle Tables – Select by Bullet
Handgun Tables – Select by Bullet
Silhouette Tables – Select by Bullet

5th Edition Manual Exterior Ballistics Section
Section 1.0 Introduction
Section 2-2.1 The Ballistic Coefficient Explained
Section 2.2 Bigger Is Not Always Better
Section 2.3 How the Ballistic Coefficient is Measured
Section 2.3.1.1 Measurement Procedure
Section 2.3.1.2 Important Precautions and Points to Consider
Section 2.3.2 Initial Velocity and Time of Flight Method
Section 2.3.3 Doppler Radar Method
Section 2.4 Lessons Learned from Ballistic Coefficient Testing
Section 2.5 Examples of Ballistic Coefficient Measurements
Section 3.0 Exterior Ballistic Effects on Bullet Flight
Section 3.1 Effects of Altitude and Atmospheric Conditions
Section 3.2 Effects of Wind
Section 3.3 Effects of Shooting Uphill or Downhill
Section 3.4-3.4.1 Trajectory Considerations for Sighting in a Gun
Section 3.4.2 Determining Zero Range from Firing Test Results
Section 3.4.3 Sighting in for a Change in Shooting Location
Section 3.5 Point Blank Range
Section 3.6 Maximum Horizontal Range of a Gun
Section 3.7 Maximum Height of Fire of a Gun
Section 4.0 Six Degree of Freedom Effects on Bullet Flight
Section 4.1 Basic Physical Concepts
Section 4.2 Yaw of Repose and Resulting Crossrange Deflection
Section 4.3 Turning of a Bullet to Follow a Crosswind and Resulting Deflections
Section 4.4 Turning of a Bullet to Follow a Vertical Wind and Resulting Deflections
Section 5.0 Trajectory Tables
Section 6.0 Sierra’s Infinity Exterior Ballistics Software

4th Edition Manual Exterior Ballistics Section
Section 2.0 Introduction
Section 3.0 Historical Summary
Section 4.0 The Ballistic Coefficient
Section 4.1 Basic Definitions
Section 4.2 Ballistic Coefficients Effects on Bullet Trajectories
Section 4.3 How the Ballistic Coefficient is Measured by Firing Tests
Section 4.4 Lessons Learned From Ballistic Coefficient Measurements
Section 4.5 Ballistic Coefficient Variations with Muzzle Velocity near the Speed of Sound
Section 4.6 Ballistic Coefficient Dependence on Coning Motion
Section 5.0 Exterior Ballistics Topics
Section 5.1 Effects of Altitude and Atmospheric Conditions
Section 5.2 Effects of Altitude and Uphill/Downhill Shooting
Section 5.3 Wind Effects
Section 5.3.1 Headwinds and Tailwinds
Section 5.3.2 Crosswinds
Section 5.3.3 Winds from Any Direction
Section 5.4 Changing the Zero Range
Section 5.5 Point Blank Range
Section 5.6 Muzzle Velocity Dependence on Cartridge Temperature
Section 6.0 Equations of Bullet Flight
Section 6.1 Differential Equations of Bullet Motion
Section 6.2 Drag Force and the Drag Function
Section 6.3/Section 6.3.1 Siacci’s Method/The Change of Independent Variables
Section 6.3.2 The Assumption
Section 6.4 Mayevski’s Analytical Form of the Drag Model
Section 6.5 Closed-Form Solutions for Trajectory Parameters
Section 6.6 Other Useful Equations
Section 6.6.1 References

Sierra Bullets Ballistics Resources

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December 28th, 2024

Guide to Loading Cases with Auto-Indexing Progressive Presses

USAMU Progressive Press auto  self-advancing

The U.S. Army Marksmanship Unit regularly publishes reloading “how-to” articles on the USAMU Facebook page. One very good article, part 5 of a 6-part series, focused on Progressive Presses. This article explains proper procedures for Auto-Indexing Progressives, which advance the shell-plate with every pull of the handle. Auto Progressives are very efficient, but they also require special attention and focus, because so many things are happening at once. You need to train yourself to watch every station. If you run a progressive press now, or are considering getting a progressive, we recommend you read this article. Visit the USAMU Facebook page for other helpful handloading guidance.

Progressive Loading Presses — Self-Advancing Shellplate Type

USAMU Progressive Press auto  self-advancing
Photo courtesy UltimateReloader.com.

Recently, we addressed manually-operated progressive presses for the beginning handloader. This type press requires one to manually advance the shellplate after each handle stroke. An advantage for beginners is that nothing happens at any station until the loader wants it to. This helps users avoid problems from clearing malfunctions without noticing that the shellplate has advanced itself. (Read Previous USAMU Article on Manual Progressives.)

The next, more luxurious type progressive press advances the shellplate automatically whenever the handle is cycled. [Editor: This is also called an “Auto-Indexing” Progressive Press.] Typically, each stroke automatically sizes and primes a case, operates the powder measure (if used) and seats a bullet. Some also have case feeders that automatically put a new case in the shellplate with every cycle. Others require the loader to insert a case each cycle. With both types, the loader usually puts a bullet on each sized/primed/charged case.

[CAVEAT: While our Handloading Shop has several progressive presses, ALL of our powder charges are thrown/weighed by hand. We do not use powder measures on our presses. Our progressives are used for brass preparation, priming, seating, etc., but not for fully-progressive loading.]

The manually-advanced press can be a boon to beginners, but as one gains experience it can be a mixed blessing, depending on one’s style. If one pays close attention to every operation and loads without distractions, the manual press is very reliable and allows full scrutiny of each round as it is loaded. However, if one easily drifts into day-dreaming, or isn’t focused on paying careful attention at all times, the manual progressive can be a bit of a liability. The opportunity for forgetting a powder charge, leading to a squib load, is ever-present. [Editor: A lock-out die can help reduce the risk of a squib load, or a double-charge. See below.]

The automatically-advancing progressives help prevent this by ensuring a powder charge will be dropped each time the handle is operated. Experienced handloaders often appreciate this feature due to the savings of time and effort. Individual preferences between the two press styles are influenced by several factors. These include one’s comfort with more- vs. less-complicated mechanisms, how often one changes calibers (case feeders often must be converted, in addition to dies and shellplates), how many rounds one loads annually, relative ease of changing primer mechanisms from small to large, etc. Automatic progressives and their caliber conversion kits tend to be significantly more expensive than manual progressives and caliber conversions from the same maker.

One USAMU handloader, who likes simple, bullet-proof machines and maximum efficiency when converting presses, owns two manually-advanced progressives. One is set up for large primers, and the other for small primers. He can change calibers in the twinkling of an eye. As he loads for many different calibers, this fits his style. Another handloader here is just the opposite. He loads for a few calibers, but in larger quantities. He much prefers his self-advancing press with case-feeder for its speed. He makes large lots of ammo in a given caliber before switching, to improve overall efficiency. His caliber conversion kits are more expensive than those for the manually-advanced progressive, but he uses fewer of them.

Whichever type one chooses, it is VERY important to buy quality gear from a manufacturer with a long, well-established track record for quality, durability and good customer support. Avoid jumping on the “latest, greatest” model until it has a proven track record. For example, this writer knows a loader who got a brand-new, expensive, self-advancing model press some years back, shortly after its introduction. As is too often the case these days, the manufacturer released it before all the “bugs” were worked out.

Better Safe Than Sorry — the RCBS Lock-Out Die
RCBS Makes a “Lock-Out Die” that senses the powder charge. This will halt the Progressive press if you have a double charge, or an undercharge. Your Editor has the Lock-Out Die on his RCBS Pro 2000. It has “saved his bacon” a half-dozen times over the years. It can be used on Dillon and Hornady progressives as well as RCBS machines.

It would not fully seat primers to the correct depth. No amount of adjustment, extra force, or fiddling would do better than to seat primers barely flush with the case head. Any inattention could result in a slightly “high” primer, protruding above the case head. It created a risk for slam-fires, particularly in semi-autos without spring-retracted firing pins, such as the M1 or M1A. In desperation, he had a machinist buddy study the problem and machine a new part to correct it. No dice. Its engineering didn’t permit full primer seating, even with extended parts. He now wishes he’d heeded his shooting buddies’ advice to stick with the “tried and true,” reliable performer they all used.

Whichever press one selects, see if the maker has a kit or list of commonly-replaced parts. Having needed springs, pins, etc. on hand in the rare event that one breaks or “goes missing” can save the day when one is busy loading for a match! Another tip for improving one’s overall loading efficiency (rounds loaded with minimal set-up/tear-down time) is to plan one’s handloading by primer size. For example, if your machine is set to use small primers, load all the calibers that you intend to that take small primers, before converting the press to load large-primer calibers.

In our next chapter, we’ll discuss peculiarities of progressive loading for rifle cartridges, with remedies for problems such as excessive cartridge-case headspace variation when sizing, tips for ensuring best powder charge consistency, and so on. Until then, be safe, and good shooting!

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December 27th, 2024

LEE Ram Swage for Swaging Crimped Primer Pockets

lee single stage ram swage primer pocket crimp remover die

Do you ever use military-style brass with swaged primer pockets? Then you can really benefit from the special LEE Ram Swage tool. This innovative swaging tool provides a fast, simple, and efficient method of removing the primer pocket crimp on milsurp brass.

Primer pocket swaging is necessary when reloading brass with crimped primer pockets. Many brands of brass for military (and some law enforcement) applications have this crimp. You may find such primer pocket crimps on a variety of milsurp brass types including: 9mm Luger, LEO .40 S&W, .45 ACP, .223 Rem (5.56×45), .308 Win (7.62×51), and .30-06 Springfield, as well as older European cartridge types such as 6.5×55. If you use a progressive press, this new LEE Ram Swage is a boon. Nothing reduces priming problems on a progressive press more than properly swaged primer pockets.

Why use milsurp brass? Surplus military and police department brass is a great low cost source of cases. It is typically very strong, long-lasting, and can often be acquired for a fraction of the cost of new commercial brass. For example, Lake City 7.62×51 (.308 Win) brass is excellent.

lee single stage ram swage primer pocket crimp remover die
Note: This tool is designed for Boxer-primed cases only, not cases with Berdan Primers.

lee single stage ram swage primer pocket crimp remover dieThe Lee Ram Swage works on all single stage presses with 7/8″-14 frame threads, and rams which take common “universal” shell-holders. This new tool features spring-assisted case extraction, and an all-steel case guide. This ensures that your cases will be positively centered on the push rod. The swage holder, large or small, installs in seconds into your press ram with no adjustments required.

LEE’s engineers devised a clever “Shell-holderless design” for the LEE Ram Swage. This allows you to swage any small or large primer pocket, without swapping to a different size shell-holder. The hardened steel swage punch is automatically extracted from the primer pocket by five disc springs. The complete LEE Ram Swage set includes one guided 7/8″-14 threaded swage push die, with both large and small ram swage holder assemblies.

Product instructions:
LEEprecision.com/files/instruct/PA4468.pdf

Parts List/Diagrams:
LEEprecision.com/primer-pocket-swage-parts/

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December 26th, 2024

Handy Case Neck Sorting Tool for Non-Neck-Turned Brass

Sinclair Case Neck Sorting tool reloading benchrest neck-turning

Case Neck thickness sorting gauge Sinclair accurateshooter.comHe who dies with the most toys wins — right? Well Sinclair has another interesting gadget you can add to your reloading bench. The Sinclair Case Neck Sorting Tool lets you quickly sort brass by neck-wall thickness. For those who shoot “no-turn” brass, this can improve neck-tension consistency. Large variances in neck-wall thickness can cause inconsistent neck “grip” on the bullet. Generally, we’ve found that more consistent neck tension will lower ES and (usually) improve accuracy. We know some guys who shoot no-turn 6mmBR brass in competition with considerable success — but their secret is pre-sorting their brass by neck-wall thickness. Cases that are out-of-spec are set aside for sighters (or are later skim-turned).

Watch Case Neck Sorting Tool Operation in Video

How the Case Neck Sorting Tool Works
Here’s how the Sinclair tool works. Cases are rotated under an indicator tip while they are supported on a case-neck pilot and a support pin through the flash hole. The unit has a nice, wide base and low profile so it is stable in use. The tool works for .22 through .45 caliber cases and can be used on .17- and .20-caliber cases with the optional carbide alignment rod. The MIC-4 pin fits both .060 (PPC size) and .080 (standard size) flash holes. Sinclair’s Case Neck Sorting Tool can be ordered with or without a dial indicator. The basic unit without dial indicator (item item 749006612) is priced at $59.99. With this standard tool you can use your own dial indicator with standard specifications. You can also buy the tool complete with dial indicator (item 749007129) for $89.99 (but not currently in stock). IMPORTANT: This sorting tool requires caliber-specific Case Neck Pilots which must be ordered separately.

Editor’s Comment: The purpose of this Sinclair tool is rapid, high-quantity sorting of cartridge brass to ascertain significant case-neck-wall thickness variations. Consider this a rapid culling/sorting tool. If you are turning your necks, you will still need a quality ball micrometer tool to measure neck-wall thickness (to .0005) before and after neck-turning operations.

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December 24th, 2024

Cartridge Comparisons — Interesting Video Series by Brownells

Brownells video archive youtube channel AR15 6.5 Creedmoor Grendel SPC .308 Winchester 7.62x51

Brownells is a well-known retailer of guns, gun parts, tools, accessories, ammo, and pretty much everything gun related. Brownells has a very active video production department that releases new “how-to” and product information videos every week. These videos offer helpful advice on gun cleaning/maintenance, reloading, as well as selecting/assembling components for various kinds of rifles. There now over 1000 videos on the Brownells YouTube Channel, this really is a remarkable resource.

One of our favorite regular Brownells video features are the Quick Tip Cartridge Comparisons. Brownells tech staffers look at a pair of cartridge types and reveal the noteworthy differences. Here are three recent Cartridge Comparison videos from Brownells.

6.5 Creedmoor vs. .260 Remington

Brownells Gun Tech Caleb Savant compares and contrasts the 6.5 Creedmoor rifle cartridge with the older .260 Remington. Both cartridges are often loaded to nearly the same overall length (OAL), but with more of the bullet inside the neck for the .260 Rem. The .260 Remington is basically a .308 Winchester necked down to 6.5mm (.264″). The 6.5 Creedmoor has a shorter case, with a more modern 30-degree shoulder angle. With the same cartridge OAL, that can make it possible to load longer-ogive, higher-BC bullets. However, with a long-freebore chamber, the .260 Rem can certainly run any high-BC 6.5mm bullet made.

The .260 Remington can, theoretically, generate a bit more velocity at the muzzle because its longer case holds a bit more powder. However, with high-quality Lapua brass, in the real world, the 6.5 Creedmoor comes pretty darn close to .260 Rem performance with any given bullet weight. Moreover, the 6.5 Creedmoor is available with small primer pocket brass from Lapua. This brass may give a higher number of reloading cycles before case-head expansion becomes a problem. For the hunter, both choices are good, but the older .260 Rem may feed a bit better from a magazine, given the .260’s case taper and longer body. Overall, we favor the 6.5 Creedmoor for its versatility and efficiency, but the .260 Rem is a good cartridge too.

6.8 SPC vs. 6.5 Grendel

Brownells Gun Tech Caleb Savant compares two medium-caliber cartridges that can work in AR15-platform rifles: the 6.5 Grendel and the 6.8 SPC (aka 6.8mm Remington “Special Purpose Cartridge”). The 6.5 Grendel is typically loaded with a high-BC .264″ bullet, while the 6.8 SPC has a larger-diameter .277″ bullet. Both have the same 2.26″ OAL as the AR-15’s standard .223 Remington / 5.56 NATO round. The big difference is the 6.5 Grendel’s faster velocity and flatter trajectory. With the same bullet weight, Brownells says the 6.5 Grendel will be about 100 fps faster than the 6.8 SPC. Given a 100-yard zero, the 6.5 Grendel will drop about 8.5″ at 300 yards, while the 6.8 SPC will drop 10.5″ at the same range. The 6.5 Grendel is probably a better choice for long-range targets, at least when loaded with a higher-BC bullet. A big difference is brass. You can get superb Lapua brass for the 6.5 Grendel. Not so for the 6.8 SPC, which really has never developed into a widely popular accuracy round.

7.62×51 NATO vs. .308 Winchester (Subtle differences)

Brownells Technician Caleb Savant talks about the .308 Winchester and 7.62x51mm NATO. Most shooters know that both rounds have the same external dimensions. In fact, the military 7.62×51 was developed from the civilian .308 Winchester. So… can they be used interchangeably? The 7.62×51 cartridge normally can be fired from any rifle chambered in .308 Winchester because the 7.62 is spec’d for a lower pressure than SAAMI max in the .308 Win. However, we have encountered some British and Austrian 7.62×51 NATO milsurp ammo that was VERY hot — more than a typical commercial .308 Win Load. Accordingly you should always be careful when shooting new 7.62×51 ammo in your rifles. Likewise you should be careful about shooting higher-pressure .308 Win in some 7.62 NATO rifles. The 7.62×51 NATO chamber is slightly longer, and the cartridge’s case is typically a bit thicker, so it will “flow” and expand into the extra space. NOTE: Some newer rifles with 7.62×51 NATO chambers ARE made to handle .308 Win ammo. Check the owner’s manual or contact your rifle’s manufacturer to find out for sure.

.44 Magnum vs. .45 Long Colt — Great Wheelgun Cartridges

Brownells Gun Tech Steve Ostrem does a quick compare-and-contrast of the .44 Magnum and .45 Long Colt — two of the most popular revolver cartridges. The .45 LC debuted in the 1870s, when the steel used in revolvers was much weaker than modern steel, so it’s typically loaded as a low-pressure cartridge. The .44 Magnum was developed in the 1950s specifically for hunting, and stronger modern gun steels meant revolvers could be built to handle its much greater pressures. Full-power commercial .44 Magnum ammunition tends to be easier to find. The .45 Colt you find at the gun store is loaded mildly so folks don’t blow up their vintage revolvers! BOTH cartridges are great for handloading because they have straight-wall cases and can handle a wide variety of powders and bullet weights. Dies, brass, and bullets are readily available for both. If you don’t handload but want a hunting revolver, .44 Magnum is the better choice, as there’s more FULL-power factory ammo available.

Brownells cartridge comparison sale holiday deals discounts

If this article has got you thinking about loading for a new cartridge type or perhaps getting a new gun, head over to Brownells and enjoy the HoliDeals sale event going on right now. You can save from 10-50% on popular products including scopes, reloading presses, AR uppers and lowers, and many other items.

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December 24th, 2024

Craft Your Own Length-to-Lands Measuring System

case OAL gauge home made

Make Your Own Length-to-Lands Gauge to Check Bullet Position
Here’s a tip we feature every year or so, because it is something that costs nothing, yet can be very useful in the reloading process. With a simple, easy modification to a fired case, you can determine the length to lands in your rifle barrel. As long as you set the tension right, the measurements should be repeatable, and you’ve just saved yourself $47.98 — the combined cost of a Hornady C-1000 commercial OAL gauge ($41.99) and Modified Case ($5.99).

To achieve best accuracy with a rifle, you must control bullet seating depth very precisely, so all bullets end up in the same place relative to the entrance of the lands, every time. There may be multiple cartridge OALs which prove accurate. However, with each, you first need to determine a “zero” point — a reliable, and repeatable OAL where the bullet is “just touching” the lands.

There are tools, such as the Hornady (formerly Stoney Point) OAL Gauge, that will help you find a seating OAL just touching the lands. However, the tool requires that you use a special modified case for each cartridge you shoot. And, while we find that the Hornady OAL Gauge is repeatable, it does take some practice to get in right.

Make Your Own Length-to-Lands Gauge with a Dremel
Here’s an inexpensive alternative to the Hornady OAL tool — a slotted case. Forum member Andris Silins explais how to create a slotted case to measure length to the lands in your rifle:

“Here’s what I did to find length to lands for seating my bullets. I made four cuts into the neck of fire-formed brass. Then I pressed the bullet in lightly and chambered the entire gauge. As the cartridge chambers, the bullet slides back into the case to give you length to lands. It took less than five minutes to get it cut and working. A little light oil in the barrel just past the chamber helps ensure the bullet does not get stuck in the lands. It works great and is very accurate.

How to Adjust Tension — Length and Number of Neck Cuts
I made the cuts using a Dremel with a cut-off wheel. You can adjust tension two ways. First, you can make the cuts longer or shorter. Longer cuts = less tension. If you used only three cuts instead of four you would get more tension. The trick is to be gentle when you open and close the bolt. If you ram the bolt closed you may wedge the bullet into the lands. When you open the bolt it helps to keep a finger or two near by to guide the case out straight because the ejector wants to push it sideways.”

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December 21st, 2024

Saturday Movies: Powder Dispenser/Scale Tests & Comparisons

Electronic Scale Powder dispenser comparison test video review Hornady Auto Charge RCBS Chargemaster Lyman AutoTrickler Frankford Intellidropper

Every serious hand-loader benefits from a precise, repeatable, and efficient powder dispensing system. There are many electronic powder dispensers on the market, starting at about $195 for a Frankford Arsenal Intellidropper and $240 for a Lyman Gen6. At the high end, the ultimate powder weighing/dispensing system would be an Auto-Trickler V4 mated to an top-tier electronic Force Restoration scale. Such a system can run $1200 or more, depending on scale cost.

In today’s Saturday video showcase we feature eight videos about electronic powder dispensers, as well as Auto-Trickler systems (both V3 and V4). If you are in the market for a new powder scale/dispenser system, we recommend you watch these videos. You may be surprised by some of the findings, and you will certainly learn more about these machines — their pros and cons. That knowledge can help you decide what electronic powder dispenser best deserves your hard-earned dollars.

Five Powder Dispenser Comparison Test (All Units Purchased)


Electronic Scale Powder dispenser comparison test video review Hornady Auto Charge RCBS Chargemaster Lyman AutoTrickler Frankford Intellidropper

If you are in the market for a sub-$500 electronic powder dispenser, definitely watch this review. This Backfire comparison test is notable because the tester spent his own money to purchase all five powder dispensers being reviewed. That means Backfire could tell the full truth, both good and bad, about the machines. In fact, Backfire bought TWO ChargeMaster Lites because one failed (See 14:12 time-mark). The reviewer liked the RCBS ChargeMaster Supreme, but his top choice overall was the Hornady Auto Charge Pro. He favored the overall design, and really liked the way the dispensing speeds could be easily set faster or slower. Here are highlights from the video review:

00:08 Speed Test
03:09 Accuracy Test
07:57 Frankford Arsenal Intellidropper
09:08 Lyman Gen 6
10:44 RCBS Chargemaster Supreme
12:03 Hornady Auto Charge Pro
14:12 RCBS Chargemaster Lite
14:41 Conclusions

AutoTrickler V3 vs. Hornady Auto Charge Pro

In the Backfire comparison video above, the Hornady Auto Charge Pro powder dispenser earned top marks among sub-$500 units. Here the Auto Charge takes on some tougher competition — an ultra-precise Force Restoration scale fitted with an Auto-Trickler V3, a system that cost upwards of $1150.00 U.S. Dollars. The Australian duo running the comparison found the Auto-Trickler system was more accurate and consistent. Notably, with a dispense speed of just 14 seconds. the Auto-Trickler V3 system was significantly faster than the Hornady machine. The Auto-Tricker V3 has been superseded by the new Auto-Trickler V4 which retails for $490.00 USD. Add $630 or more for a good Force Restoration scale such as the A&D FX-120i.

RCBS New ChargeMaster Supreme and Other ChargeMasters

In this well-made video, Gavin Gear of UltimateReloader.com does a detailed review of the new-generation RCBS ChargeMaster Supreme. He puts it through his paces, verifying its accuracy and repeatability. He shows how the unit can be programmed. At the 17:20 time-mark, Gavin employs an A&D FX-120i Force Restoration scale to check the ChargeMaster Supreme’s charge-weighing precision. The results were good.

Electronic Scale Powder dispenser comparison test video review Hornady Auto Charge RCBS Chargemaster Lyman AutoTrickler Frankford Intellidropper

In the first part of this video, starting at 3:42 time-mark, Gavin Gear compares the notable features of the $430 ChargeMaster Supreme with the $300 ChargeMaster Link and the $899 RCBS MatchMaster.

Frankford Arsenal Intellidropper vs. RCBS ChargeMaster Link

The Frankford Arsenal Intellidropper, now just $194.49 on Amazon, was very innovative when first released, offering remote Bluetooth access and a wide range of programmable features. The downloadable App stores your load data and has preloaded bullet and powder databases. This video compares the Intellidropper with another Bluetooth-enabled modern powder dispenser, the RCBS Chargemaster Link. A free RCBS App allows you to control settings remotely.

Hornady Auto Charge Pro Review by Ultimate Reloader

As the $359 Hornady Auto Charge Pro dispenser was top-rated in the Backfire comparison at the start of this article, we thought we’d include a detailed review from Gavin Gear of UltimateReloader.com. If you are thinking of buying a Hornady Auto Charge Pro, definitely watch this video, as it is the most thorough Auto Charge Pro review on the web and Gavin is by far the most articulate tester. SEE FULL TEST.

AutoTrickler V4 and Force Restoration Scale

The AutoTrickler V4, paired with a quality Force Restoration scale, is the “Rolls Royce” of electronic powder dispensing systems, offering unrivaled charge-weight accuracy, great repeatability, and ultra-fast dispensing speeds. If you have the budget — $490 for the V4 plus $625+ for scale — the AutoTrickler V4 is a superb system that lets you load extremely accurate, consistent ammo. This detailed F-Class John video shows how to set up the system properly and control the dispensing and trickling functions.

RCBS MatchMaster vs. AutoTrickler V3 with A&D FX-120i Scale

This video is interesting because it compares the most advanced and expensive mass-market electronic dispenser, the $899 RCBS MatchMaster, with an AutoTrickler V3 mated to an ultra-precise Force Restoration scale. The AutoTrickler V3 + scale system offers wicked fast dispensing while delivering near-single-kernel precision and great repeatability. The MatchMaster has some interesting features, including dual dispensing tubes and a special slower, “Match Mode” dispensing function which provides enhanced precision.

BONUS Video: RCBS ChargeMaster Dispenser vs. Four Scales

This video answers the question “How does a common powder dispenser’s weighing accuracy compare to stand-alone scales?” Here the tester compares the weighing precision of an early-model RCBS ChargeMaster with four dedicated scales: A&D FX-120i (Force Restoration), Hornady G2-1500, Hornady GS-1500 (Gen 1), and a WAOAW milligram scale. These scales range significantly in price, with the FX-120i Force Restoration the most expensive by far. The features/prices of the four scales are listed at 4:41 time-mark. Accuracy/repeatability comparison testing with test weights starts at 10:12 time-mark.

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December 18th, 2024

For Xmas 2024 — Great Stocking Stuffers for Gun Guys and Gals

AccurateShooter.com stocking stuffer tools

Christmas is just a week away, so today we’re featuring a hand-picked collection of sixteen “stocking stuffers” for precision shooters. Some of these are recent inventions. All are handy items that you’ll use over and over again at the range, on your vehicle, and/or at your loading bench (so you’re allowed to buy them for yourself, even after Christmas).

B&T Industries BT62 Determinator — $7.95 ✔

Group Size Measuring plate Determinator

The acrylic BT62 Determinator measures groups with laser-cut concentric measuring rings. Check group size quick and easy — simply place the Determinator over shot group. Adjust until one of the circles crosses the center of the two outer-most holes. That gives you the center to center group measurement (1.5″ maximum). Alternatively, you can measure edge to edge (of the farthest shots) and then subtract the bullet diameter. Cool tool for gun guys. The supplied lanyard also glows in the dark.

MAXUS Reloading Scale Kit — $16.99 ✔

reloading Maxus scale sale

Here is a VERY affordable compact scale for use at home or at the range (with battery power). Though it costs under $20, the MAXUS Digital Milligram Scale (#ad) has earned good reviews and should be precise and repeatable. This high-precision digital milligram scale set comes with calibration weight and other reloading accessories. And numbers are easy to read with its large backlit LCD display. NOTE: This MAXUS Scale has dual power functionality — it can run with batteries or USB cable. It can read grains, ounces, grams, and other weight types.

Lyman Powder Scale Pan and Case Funnel — $6.99 ✔

lyman rcbs powder pan scale funnel loader

The Lyman Powder Pan/Funnel saves reloaders time by combining the powder-receiving pan and funnel into one unit. With this combo tool reloaders can pour powder directly into the case without having to fumble with a separate funnel. That’s smart and efficient and just $6.99 on Amazon (#ad). RCBS makes a similar powder pan/funnel ($13.99 on Amazon #ad) with a slightly different case-neck section. You may want to try both to determine which works best for your cartridge brass.

Surveyor’s Flagging Tape (for Wind Indicators) — $1.69 per Roll ✔

Surveyor's Surveyor Flagging Tape fluorescent day-glow wind flag

Always watch the wind when you shoot. Inexpensive ($1.69/roll) Day-Glo Surveyors’ Tape (aka “Flagging Tape”), attached to a stake or target frame, makes a good wind indicator. It will flutter even in mild breezes, alerting you to both angle and velocity shifts. This should be part of every range kit. A wide variety of colors are offered including Fluorescent Orange, Fluorescent Green, Fluorescent Yellow, Fluorescent Blue, and multi-color safety stripes.

Allen Camouflage/Black Neoprene Scope Cover — $11.47 ✔

scope cover camo camouflage amazon neoprene

Here’s a great gift item for a hunter. This reversible Camo-pattern Neoprene Scope Cover fits scopes up to 15″ long and 56mm lens diameter. The cover cushions your scope and protects against moisture and scratches. Along with the $11.47 large version, Allen makes a 12″ medium camo scope cover, and a 10″ small version. NOTE: These covers are reversible with Mossy Oak Break-Up Country camo on one side (as show), and black on the other side.

SIG Sauer Foxtrot1X LED Lamp — $49.99 ✔

Lyman Case Prep multi-tool

The SIG Sauer FOXTROT1X gun lamp works with Picatinny rails, SIG Sauer rails, and Glock rails without the need for adapters or modifications. It features dual, finger-actuated switches that allow for ambidextrous operation in both continuous and momentary modes. This $49.99 gun lamp features an efficient 450 lumens white LED that can run for 1.5 hours on a single CR123 battery. This rail-mounted light is compatible with most holsters designed for light-equipped handguns.

MagnetoSpeed RifleKuhl Barrel Cooling Fan — $60.00 ✔

Lyman Case Prep multi-tool

Cooling your barrel with a compact fan can extend barrel life. This bright red RifleKuhl from Magnetospeed (#ad) is quite effective. The battery-powered impeller pushes cooling air down the barrel. It has a chamber seal for increased cooling efficiency while a neodymium magnet helps secure the device to your action. The RifleKuhl includes a belt/pocket clip and there is a Replaceable built-in 50 Micron air filter. The RifleKuhl costs $60.00 on Amazon.

Ludex Case Prep Multi-Tool with Internal Storage — $15.99 ✔

Lyman Case Prep multi-tool

This handy Ludex Case Prep Multi-Tool can perform multiple tasks. On one end is an inside neck chamferer, with the outside chamferer/deburrer on the opposite end. Stored inside the tool are four (4) uniforming attachments for large and small primer pockets. This tool with all the attachments is $15.99 on Amazon.

Digital Display Timer with Big Buttons — $16.95 ✔

display timer stocking stuffer sale

If you shoot in a discipline with time limits, or you time your firing strings during practice, having a reliable and easy-to-read timer is critical. We like this very affordable Digital Display Timer with both count-up and count-down functions. Just $16.95 on Amazon, this unit boasts an easy-to-read display and LARGE buttons making it perfect for F-Class, Palma, and other matches. This timer comes with both a built-in stand AND a strong magnet so you can position the timer conveniently.

Creedmoor Sports Leather 20 Rd +2 Ammo Holder — $29.95 ✔

Leather Ammo Holder Creedmoor Sports

This handsome red leather ammo holder secures twenty (20) rounds of .308 Win-size ammunition, in a handy plastic carrier. In addition there are loops for 2 more sighter rounds on the outside. This is a very nice gift for a target shooter or hunter. There is also a .223 Rem version in black leather. Both these leather ammo holders conveniently fit into a shooting coat pocket via a leather pocket flap.

Hoppes Pistol Cleaning Kit — $8.99 ✔

hoppes pistol cleaning kit

Right now, for just $8.99, you can get a nice Hoppes Pistol Cleaning Kit complete with solvents, cleaning rod with swivel handle, jags, patch holder, bore brush, and 50 patches. The fluids include 2 oz. of Hoppe’s No. 9 Cleaning Solvent, plus 2.25 ounces of Hoppe’s Lubricating Oil.

Wheeler Manual Trigger Pull Scale — $17.90 ✔

Cabela's Multi-tool blank stocking stuffer

While we prefer a sensitive digital trigger pull gauge, it’s nice to have a manual back-up. And the Wheeler gauge is plenty accurate for pistols and most hunting rifles. The Wheeler trigger pull scale accurately measures trigger pull weight from 8 ounces to 8 pounds. It features an ergonomic handle for consistent direction of pull. The sliding indicator stays reliably on the maximum weight registered and high contrast pull weight increment marks are very easy to read. This spring-type trigger scale measures in 2-ounce increments and is accurate to +/- 2 ounces — plenty good for pistols and hunting rifles. Priced at just $17.90 on Amazon, this gauge has earned 91% four- or five-star owner reviews.

Sack-Ups 13.5″ Pistol Storage Sock — $8.49 ✔

Leather Ammo Holder Creedmoor Sports

Here’s an actual fabric sock that you can roll up and put in your Christmas stocking. Sack-Up knitted storage sacks are made from silicone-treated 100% natural cotton. The cotton’s wicking ability draws moisture off the gun, inhibiting corrosion. This $8.49 13.5″ Sack-Ups sock is a great choice for revolvers and metal-framed pistols. Midsouth also carries larger 36″, 42″, and 52″ Sack-Ups for shotguns and rifles.

Creedmoor Sports — BoreTech Rimfire Blend, $16.15 ✔

Bore Tech rimfire blend cleaner solvent

With the shortages of powder and primers, many folks will be shooting more rimfire in 2021. While .22 LR rimfire rifles require less cleaning compared to centerfire rifles, you still need to maintain those rimfire barrels. We like Bore Tech’s Rimfire Blend Bore Cleaner, now $16.15 at Creedmoor Sports. This specially-formulated, ammonia-free bore cleaner can simultaneously cut through the layers of lead, wax, and carbon fouling. NOTE: After use you may have to shoot quite a few rounds before best accuracy returns.

Govee Wireless Remote Hygrometer Thermometer — $14.99 ✔

hornady remote hygrometer humidity safe temperature gunsafe

Is the temp and humidity OK inside your gunsafe? With Hornady’s Govee Bluetooth Wireless Hygrometer Thermometer, you can check that easily. The unit measures temperature and humidity inside your safe, and then displays temp/humidity readings on your smartphone via a Bluetooth App. The unit has a good range in open rooms but you may have to get close to the safe to get a signal with the safe door closed. The sophisticated Govee Wireless Hygrometer Thermometer is now just $14.99 on Amazon (#ad).

BONUS — TACTICAL XMAS STOCKINGS, $15.99-$17.99 ✔

Molle tactical stocking christmas Xmas

Don’t have a stocking to hold your small gift items? Then check out these cool, heavy-duty stockings. These Willbond Tactical Stockings are sold as a two-pack for just $14.99 – $17.99 on Amazon (#ad).Choose a pair in three different types: Classic Style (Camo and Black, $14.99); Bright Style (Bronze and Green, $15.99), and Stylish Style (Green and Black, $17.99). These Willbond Tactical Stockings feature Hanging hook, MOLLE straps, carry handle, outside draw pocket, side zipper, and Velcro USA Flag Patch. These stockings are sure to bring smiles to your tacticool family members and friends.

As an Amazon affiliate, this site can earn revenues through sales commissions.

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December 13th, 2024

6.5 Creedmoor and Seven Other 6.5mm Cartridge Types

6.5 Cartridge Guide Eben Brown EABco e. arthur brown 260 rem 6.5x47 6.5 creedmoor  6-5-284 6.5x55
Chart created with Ammoguide’s Visual Comparison Tool. Visit Ammoguide.com to learn more.

One of our forum members was looking for a very accurate, mid-sized 6.5mm cartridge for target working and coyote hunting. There are many great options including the 6.5 Grendel, 6.5×47 Lapua, 6.5 Creedmoor, and Remington .260 (a 6.5-08). If you are considering the 6.5×47 you should read our 6.5×47 Cartridge Guide authored by the 6.5 Guys. This and other 6.5mm cartridges are covered in this introduction to 6.5 mm cartridges prepared by Eben Brown, President of Eabco.com.

Quick Guide to 6.5mm Cartridges

by Eben Brown, EABCO.com, (E. Arthur Brown Co. Inc.)
The current popularity of 6.5mm cartridges in the USA has been a long time in coming. I won’t go into my opinions on why it took so long to catch on. The important thing is that it finally HAS caught on and we’re now so fortunate to have a wide selection of 6.5mm cartridges to choose from!

6.5mm Grendel – Developed by Alexander Arms for the AR15 and military M4 family of rifles. The Grendel fits the dimensional and functional requirements of these rifles while delivering better lethality and downrange performance. [Editor: The little 6.5 Grendel delivers a lot of performance from a small package. This is one of the most accurate cartridge options for the AR15 platform.]

6.5mm BRM – Developed by E. Arthur Brown Company to give “Big Game Performance to Small Framed Rifles” — namely our Model 97D Rifle, TC Contender, and TC Encore. Velocities of 2400-2500 fps with 140gr bullets puts it just under the original 6.5×55 Swede performance.

6.5mm x 47 Lapua – Developed by Lapua specifically for international 300m shooting competitions (with some interest in long-range benchrest as well). Case capacity, body taper, shoulder angle, and small rifle primer are all features requested by top international shooters. You can expect velocities of 2500-2600+ with 140 gr bullets.

6.5x47 Lapua Cartridge guide

6.5mm Creedmoor – Developed by Hornady and Creedmoor Sports, the 6.5mm Creedmoor is designed for efficiency and function. Its shape reaches high velocities while maintaining standard .308 Winchester pressures and its overall length fits well with .308 Win length magazines. You can expect velocities of 2600-2700+ fps with 140gr bullets. [Editor: Yep, we know some PRS guys are loading hotter than that in bolt guns. We recommend you try the 120-130 grain bullets also with this cartridge. That may put you in a better accuracy node.]

This video reviews 6.5 Creedmoor Cartridge Brass options:

.260 Remington – Developed by Remington to compete with the 6.5mmx55 Swedish Mauser that was (finally) gaining popularity in 1996. By necking down the 7mm-08 Remington to 6.5mm (.264 cal), the .260 Remington was created. It fit the same short-action [receivers] that fit .308 Win, .243 Win, 7mm-08 Rem, etc. You can expect velocities of 2600-2700 fps with 140gr bullets in the 260 .Remington.

[Editor’s Note: In the .260 Rem, try the Lapua 120gr Scenar-Ls and/or Berger 130gr VLDs for great accuracy and impressive speeds over 2950 fps.]

6.5mm x 55 Swedish Mauser – This was the cartridge that started the 6.5mm craze in the USA. It is famous for having mild recoil, deadly lethality on even the biggest game animals, and superb accuracy potential. Original ballistics were in the 2500 fps range with 140gr bullets. Nowadays handloaders get 2600-2700+ fps.

[Editor’s Note: Tor from Scandinavia offers this bit of 6.5x55mm history: “Contrary to common belief, the 6.5×55 was not developed by Mauser, but was constructed by a joint Norwegian and Swedish military commission in 1891 and introduced as the standard military cartridge in both countries in 1894. Sweden chose to use the cartridge in a Mauser-based rifle, while Norway used the cartridge in the Krag rifles. This led to two different cartridges the 6.5×55 Krag and 6.5×55 Mauser — the only real difference being safe operating pressure.”]

6.5-284 Norma — This comes from necking the .284 Winchester down to .264 caliber. Norma standardized it for commercial ammo sales. The 6.5mm-284 was very popular for F-Class competition and High Power at 1,000 yards. However, many F-Class competitors have switched to the straight .284 Win for improved barrel life. 6.5-284 velocities run 3000-3100+ fps with 140gr bullets.

.264 Winchester Magnum – Developed by Winchester back in 1959, the .264 Win Mag never really caught on and may have delayed the ultimate acceptance of 6.5mm cartridges by US shooters (in my opinion). It missed the whole point and original advantage of 6.5 mm cartridges.

The Original 6.5mm Advantage
The special needs of long-range competition have skewed things a little. However the original advantages of 6.5mm cartridges — how deadly the 6.5mms are on game animals, how little recoil they produce, and how easy they are to shoot well — still hold true today.

6.5 Cartridge Guide Eben Brown EABco e. arthur brown 260 rem 6.5x47 6.5 creedmoor 6.5x55

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