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May 4th, 2014

Tech Tip: Measuring Shoulder Bump with Harrell’s Collar

Harrell’s Precision sells “semi-custom” full-length bushing dies for the PPC and 6BR chamberings. While the Harrell brothers do not cut the die to spec, they carry a large selection of dies made with slightly different internal dimensions. When you send in your fired brass, the Harrells choose a die from inventory with just the right amount of sizing (diameter reduction) at the top and bottom of the case. Given the quality, and precise fit, Harrell’s full-length dies are a good value at $75.00 plus shipping.

Bump Measuring Collar
The Harrell brothers provide a nice bonus item with each full-length die — a neat, little shoulder bump measuring device as shown in the photo at right. Hornady/Stoney Point sells a stand-alone tool that does the same job, but the Harrell’s bump collar is simpler and faster. To measure your shoulder bump, simply place the Harrell’s bump collar over the upper section of your deprimed case (before sizing) and measure the OAL with your calipers. The collar should seat on the shoulder without any wobble. After taking the measurement, then size the case in your full-length die, replace the collar and repeat the measurement. You want to set your die so the shoulder moves back about .001″ to .0015″ for most applications. (With semi-auto guns you may want more bump — .003″ or more.)

When measuring for shoulder bump, you need to remove the primers first. Our friend Boyd Allen explains: “Use a decapping tool or die to remove the fired primer before taking the initial measurement. When working to thousandths, even the raised edge of a crater or a slightly raised primer can throw you off by a significant amount.”

Permalink Reloading, Tech Tip 4 Comments »
January 26th, 2014

PMA Tool Now Offers High-Quality Carbide Expander Mandrels.

Responding to customer requests, PMA Tool is now offering carbide expander mandrels in popular calibers. These carbide mandrels are listed as .22, .24, .26, .28, and .30 calibers, but they are sized for popular chamberings in .223, .243 (6mm), .264 (6.5mm), .284 (7mm), and .308 (7.62mm). PMA’s new carbide expander mandrels will cost $56.95 per item.

PMA’s tool-makers tell us: “Over the past several months we have received many requests to make expanding mandrels from carbide. Due to this popular demand we are now offering expanding mandrels from carbide. Carbide reduces galling and scratching both on the inside of the case neck and the mandrel itself. We still recommend the use of lubricant when expanding case necks to make the operation easier. These mandrels are ground from a 3/8” solid carbide blank and sized properly to expand case necks, preparing them for neck-turning. They can also be used to iron out dings and flat spots on new brass not destined to be neck turned, preparing them for loading and bullet seating.”

PMA Dual Taper Non-Carbide Expanders are Just $8.95
PMA also makes regular steel expander mandrels at a much lower price — $8.95. These regular Expanding Mandrels are designed to fit both the 21st Century Shooting and Sinclair Expander Dies. PMA states: “Our mandrels are longer than other expanding mandrels and feature a special dual taper which expands both on the up and down stroke of the press to more uniformly expand and straighten case necks.” These regular expanders are offered for all popular calibers, from .17 all the way to .338.

PMA Expander Mandrel steel carbide

PMA Specialized Necking-Up Mandrels for 30 BR and 6 PPC
Last but not least, PMA makes specialized “long-taper” expanders designed to expand 6mmBR brass to 30 BR brass, or expand 220 Russian brass to 6mm (for the 6 PPC). Priced at $9.95, these handy, effective tools make it easy to neck-up your brass for 30BR or 6 PPC.

PMA Expander Mandrel steel carbide

PMA explains: “So you want to make 30BR brass quick? Here’s the mandrel for you. A while back, while forming some 30BR brass for a customer’s rifle we noticed that after necking 6mm up to 30cal the neck fit on the turning mandrel was a lot tighter than we wanted. Regardless of how many steps we took to get there we had to run the case necks over the final expander repeatedly to get the fit right. After that experience we decided to set out and make a mandrel with optimum taper and diameter to neck 6mm up to 30 caliber in one step. We think is the best way to expand the necks of 6BR Lapua brass [for the 30 BR]. Remember to always use plenty of lubricant when necking.”

Product Tip from EdLongrange. We welcome reader submissions.
Permalink New Product, Reloading 2 Comments »
May 27th, 2011

Home-Built Bullets — A Success Story from Al Nyhus

Forum regular Al Nyhus has tried his hand at bullet making, producing custom 30-caliber projectiles for his 30 BR match rifles. With guidance from his “guru”, bullet-smith Randy Robinett of BIB Bullets, Al has produced some very impressive bullets. This demonstrates that with patience, determination, and the right tools and components, amazing results are possible, even for a novice bullet-maker.

Al writes: “Thought I’d post some updated info on my 30 Caliber bullet making adventure. It’s been a lot of fun and a real learning experience. I’d like to thank Randy Robinett for all his patient teaching and guidance. The bullets have been working well in competition, being used to win the Varmint for Score portion of the IBS Wisconsin State Two Gun Championship [in 2007].”

The Targets Don’t Lie — These Are Quality Bullets
Here are two photos from bullet testing. In the 100-yard, 15-round target, the wind velocity was purposely ignored and the group was fired only with the same flag angle, trying to determine how they worked in the wind. Winds were 12-18 mph from 4 o’clock.

Nyhus 30 BR bulletsNyhus 30 BR bullets

This 200-yard group was fired in near perfect test conditions — overcast, early in the morning, with no mirage. We usually have a small window of what I call ‘Happy Hour’ before the winds crank up.”

NOTE: Al’s 30 BR rifle was smithed by Stan Ware of SGR Custom Rifles.

Measuring Group Size
Note how Al measures his groups. Look at the top photo. You’ll see Al starts with the extreme outside edge of the hole, including the gray edge or ring. Then Al subtracts .290″, the TRUE size of one bullet-hole in the paper, as opposed to .308″, the nominal bullet diameter. If you simply subtract a full bullet diameter you will get a smaller number for your group size. That’s good for your ego, but Al’s method is more accurate because a bullet normally cuts a hole that is smaller than the actual bullet diameter.

Permalink Bullets, Brass, Ammo, Gunsmithing 2 Comments »
January 11th, 2011

Forming Improved Cases with Hornady’s Hydraulic Forming Dies

We know many of our readers shoot the 6 BRX, 6 Dasher, 6mm Rem AI, .243 Ackley and other “improved cartridges” that require case-forming. These wildcat designs move the shoulder forward, or alter the shoulder angle and/or body taper. Traditionally, these cases are fire-formed, i.e. a charge of powder is used to blow the shoulder forward and casewalls out. There are different methods of fire-forming. Some guys use a full load of rifle powder, with bullets seated hard in the lands (setting up a false shoulder helps too). Other shooters successfully fire-form without bullets, using fast pistol powders (and a much-reduced charge). Typically, with this bulletless fire-forming, a filler such as Grits is used, along with some kind of plug or wad to hold the powder in the case.

Fire-forming takes time, and consumes expensive powder, primers, and (typically) bullets. Unless you have a dedicated fire-forming barrel, the fire-forming process can use up a significant amount of your useful barrel life, particularly if you are a varminter needing hundreds of re-formed cases. What if you could form your cases at home, at your reloading bench, without burning powder or wasting barrel life? Well you can…

Hydraulic Case-Forming with Hornady Die
Now, thanks to Hornady, shooters who need to “improve” their cases have a bonafied alternative to fire-forming. Hornady’s custom shop offers a hydraulic case-forming kit that allows you to form cases just using water and a conventional reloading press.

Hornady Hydraulic Forming Die

Because fluids, such as water, are not compressible, you can use hydraulic action to change the shape of your brass in a die. As a ram or piston moves the fluid in the die, hydraulic pressure pushes the shoulder and case walls out to match the “improved” case profile machined into the Hornady die. What you’ll get is a re-formed case with a near-perfect neck-shoulder junction, but with slightly rounded edges where the case body meets the shoulder. However, the edges of the shoulder will normally sharpen up once you shoot the brass for the first time with a full load.

Hornady Hydraulic Forming Die

Tips for Hydraulic Case-Forming
The process works well… as long as you understand that it will take a final fire-forming stage to fully “blow out” the brass. The hydraulic process gets you 95% of the way there. Lonnie Hummel, technician of Hornady’s Custom Shop, uses a hydraulic forming die himself to produce his wildcat varmint cases. Lonnie recommends using regular water as the hydraulic fluid, but other shooters have used isopropyl alcohol, and some guys have used light machine oil. The different fluid choices have pros and cons. With water, you have to be careful to dry out the forming die so it doesn’t rust. With oil you have to make sure you remove ALL the oil from the case before firing. That’s very important for safety and to ensure you don’t “kill” your primers. Alcohol seems to work well, but again you want to make sure residues are removed, so that any residual alcohol does not contaminate primers or powder. The way the hydraulic die works is pretty simple. You fill the case with liquid and slip it into a special case holder. Then place the ram (hydraulic piston) into the case from the top, and hit the ram with a mallet or hammer. Lonnie prefers a use a lead-faced mallet: “Two or three good whacks does the trick.”

Ordering a Hydraulic Forming Die
Hornady hydraulic forming dies are produced on a custom basis. You need to supply a reamer print or some “finished” cases that have been fully fire-formed in your chamber. Then Hornady can build a die that matches your improved or wildcat chamber. Also, after heat-treating, each die is custom-honed so there is a super-close fit with the shaft of the hydraulic piston.

How much will it cost? Prices vary depending on the size of the parent cartridge: for cases up to 2.6″, the cost is about $175.00; for cases over 2.6″ up to 2.9″ the price is about $195.00 — but call for current pricing. These prices are for the complete Hornady Hydraulic Forming Kit, which includes Die Body, Lock Ring, Hydraulic Piston, and a special shellholder (without a center hole).

For more information contact Lonnie Hummel at Hornady. Call (308) 382-1390 and ask for the Custom Shop or email: lhummel [at] hornady.com. NOTE: You will NOT see this product listed or illustrated on Hornady’s website. Hydraulic form dies are special order items.

Photos courtesy Forum member SongDogHunter

Permalink Bullets, Brass, Ammo, Reloading 6 Comments »
February 25th, 2010

Custom Dies — The Hornady Option (Call Lonnie)

How would you like a full-length sizing die perfectly fitted to your fired brass? At one time that required you to purchase a die blank, a special undersized reamer (a chamber reamer is too big), and send the work out to a skilled gunsmith. You could expect to have $250-$350 tied up in your custom die when all was said and done.

Now Hornady’s custom shop offers a much less expensive alternative. For $121-$140, plus shipping, Hornady will produce a custom-made die based on your reamer print, spec sheet or fired brass. Lonnie Hummel and his team of skilled machinists have produced custom dies for many top shooters. Scott Parker had Hornady produce a custom full-length die for Scott’s 6BRX. Scott reports: “The die is great. I’m very impressed. The die is a perfect fit for my brass and the sized brass has very low run-out.”

Hornady’s non-bushing custom full-length sizing dies cost $121.00 for cases up to 2.60″ COAL, or $140.00 for cases 2.60″-2.99″ long. Add $20-$25.00 if you want a custom, non-micrometer seater die also. Hornaday also offers custom “match grade” bushing dies — both FL-sizing dies and bushing neck-sizers. These “match grade” (bushing-equipped) sizing dies (FL, or neck-only) cost $152.00 up to 2.60″, or $166.00 for longer dies.

To order any type of Hornady custom die (bushing or non-bushing) we recommend you send 3 or 4 fired cases along with a reamer print to Lonnie Hummel at Hornady Mfg., Box 1848, Grand Island, NE, 68802. Give Lonnie a call first at (800) 338-3220, ext. 208, to discuss design details and get an estimated delivery date.

Hornady Custom Dies

Permalink Gear Review, Reloading No Comments »
January 3rd, 2009

January Bargains on Recommended Products at MidwayUSA

Now through the end of January, Midway has three items on sale that caught our attention.

Dewey 44″ Cleaning Rods for $25.99
First, MidwayUSA has marked down Dewey nylon-coated 44″ cleaning rods from $31.49 to $25.99. The sale price applies to both 22-26 caliber rods (item 971244), and 27-34 caliber rods (item 268904). For most target rifles, a Dewey rod is a very good choice when considering both price and performance. Dewey rods have nice handles, good bearings, and durable nylon covers. Plus Dewey stands behind its products. The 44″ length should work with barrels up to 28″ (without muzzle brake). Note, however, these rods have a male tip, so you’ll need an adapter (which Dewey provides) for use with male-threaded jags.

Dewey Cleaning rod

Lee Universal Decapping Die for $7.99
There are many situations when you may want to remove primers from fired brass without running them into a sizing die fitted with a decapping rod. We often do this with pistol brass that’s slated to be loaded in a progressive press. Popping the primers first allows you to clean and inspect the primer pockets before loading the brass — and it also reduces the effort to run the progressive. If your rifle brass is dirty, you may want to de-cap before sizing. Lee makes a simple, inexpensive decapping die that every reloader should have. It will quickly pop out a primer without touching the rest of the case. The Lee Universal Decapping Die will work with cartridges from 17 Fireball all the way up to 45-70. However, NOTE that the decapping pin supplied with this Lee die is TOO LARGE for LAPUA BR and PPC flash holes — you’ll need to either turn down the pin, or decap with a different tool for the Lapua cases with .059″ flash-holes. With the exception of those cases, the Lee decapping die works very well and it’s a bargain. This month at MidwayUSA it’s on sale for just $7.99 (item 136543).

Lee Universal Decapping Die

Bore-Store Synthetic Fleece Storage Sacks
In this Editor’s opinion, Bore-Store storage bags are the best option on the market for storing rifles, shotguns, and pistols in a gun safe or storage cabinet. They are much less bulky than soft gun cases, so you can fit more guns in your safe. The thick, synthetic fleece pile cushions your gun, safeguarding against dings and scratches. The fabric is breathable, so moisture doesn’t collect on the gun, and the fabric is treated with silicone AND a rust inhibitor. I have Bore-Stores for every firearm in my collection. Over the years they have kept my rifles rust-free and protected fine metal and wood finishes from scratches. MidwayUSA now has a wide variety of Bore-Stores on sale. For example, the 46″ Scoped Rifle case (item 570-349) is marked down from $13.49 to $9.99. This will fit rifles with barrels up to 28″ and maybe 29″ with a little stretching. The 42″ AR15 Case (item 360-601) is marked down from $15.59 to $10.49. This case is extra-wide, with plenty of clearance for pistol grip and carry handle. Other Bore-Stores for handguns and shotguns are on sale through the end of January.

Bore-Store Fleece Gun Bags

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