At the request of our readers, we provide select “Deals of the Week”. Every Monday morning we offer our Bargain selections. Here are some of the best deals on firearms, hardware, reloading components, and shooting accessories. Be aware that sale prices are subject to change, and once clearance inventory is sold, it’s gone for good. You snooze you lose.
The RCBS Rock Chucker remains a classic — a big, strong, versatile press that can handle most reloading chores with ease. And now you can get a genuine Rock Chucker Supreme for $126.99 — a very good deal. The Rock Chucker offers plenty of leverage for case-sizing and the “O” is tall enough for long cartridges. The Rock Chucker has a very strong base and should last a lifetime. We’re not fans of the Rock Chucker’s priming system but most serious reloaders use a separate priming tool.
2. Midsouth — 17 HMR V-Max Ammo, $10.45 for 50 rds
Need 17 HMR ammo for your varmint safaris? Then grab this Hornady V-Max ammo while you can at $10.45 for a 50-round box. This is a great price. Other vendors are selling the same Hornady ammo for as much as $15.00 per box. We’ve used this ammo and it was very accurate out of both semi-auto (Savage A17) and bolt-action (CZ 455) 17 HMR rifles.
3. Aero Precision — Upper and Lower Stripped Receivers, $189.99
If you want to build your own AR for varminting, self-defense, or competition, here is a great value for the basics. Right now Aero Precision is offering a combo set of AR15 Stripped Upper Receiver PLUS AR15 Gen 2 Stripped Lower Receiver all for $189.99 with free shipping. The upper and lower are both machined from from 7075-T6 aluminum forgings and have a tough, Cerakote finish. This upper/lower set features 0.250″ takedown pin holes and M4-style feedramps. Both upper and lower take standard AR15 components so you can choose from a wide selection of trigger groups.
The Jewell trigger is still probably the most commonly-used trigger in benchrest competition. Right now at Grafs.com you can get a Remington 700-compatible Jewell benchrest trigger for $179.99 — that’s $20.00 of the regular price. This single-stage trigger adjusts from 1 ounce to 3 ounces pull-weight, and has a crisp, precise release. This will fit Rem 700 actions as well as Rem-compatible custom actions. This trigger does NOT have a safety and it is NOT recommended for hunting applications. (Sale tip from EdLongrange.)
5. Cabelas — Howa 1500 Mini-Action in .223 Rem, $349.99
Here’s a good deal on a great little rifle. Right now at Cabela’s you can get the Howa 1500 Mini-Action in .223 Rem for just $349.99. That’s a bargain — other vendors are charging $500.00 or more for this rifle. The Howa 1500 Mini Action is nearly an inch shorter than a Rem 700 short action, making for a nice, compact carry-around varminter. Your Editor checked out the Howa Mini Action Rifle at SHOT Show. The bolt opens and closes VERY smoothly (way better than most mass-produced bolt guns). The two-stage HACT trigger is excellent — it’s plenty light, with a crisp release and no annoying spring-loaded blade in the middle.
If you shoot long range, you need a scope level. This Discovery scope level is fully CNC-machined to close tolerances for a good fit. It is available with three inner diameters to fit scopes with 1″, 30mm, or 34mm main tubes. The 1″ version is just $11.99 while the 30mm model is $13.95 and the large 34mm version is $15.95. You could easily pay $35.00 or more for a 30mm scope level. Purchasers have praised this product: 89% of verified buyers rated this five stars.
7. Eabco.com — Pillar-Bedded Laminated Stock for Savage
For a Savage-based general purpose rifle, this Laminated Thumbhole Savage Stock is a good choice, and a fine value at just $175.00 including installed pillars. (Most bargain-priced laminated stocks do NOT include pillars). This stock fits Savage actions with detachable magazines. There are four color options: Camo laminate (shown in photo), Brown Laminate, Gray Laminate, and walnut color.
8. RCBS — Buy Green, Get Green Rebate
RCBS is running a very attractive Rebate Program currently. If you spend $300.00 on qualifying products you get a $75.00 rebate. Spend $50 and get a $10.00 Rebate. This program is limited to one (1) rebate redemption per calendar year, with a maximum of $75.00. CLICK HERE for more information. NOTE: To qualify, you must supply completed RCBS rebate coupon, original UPC barcodes from package, and original cash register receipt and/or dated, itemized sales invoice.
At the request of our readers, we provide select “Deals of the Week”. Every Monday morning we offer our Bargain selections. Here are some of the best deals on firearms, hardware, reloading components, and shooting accessories. Be aware that sale prices are subject to change, and once clearance inventory is sold, it’s gone for good. You snooze you lose.
The Leica CRF1000-R is an excellent choice for a hunter. The small Leica fits in a shirt pocket, and is easy to hold with one hand. That lets you range a prize buck quickly. This unit can range line-of-sight targets effectively out to 1,000 yards. In addition the CRF1000-R accounts for angle of inclination/declination, to provide Equivalent Horizontal Range (EHR) from as little as 10 yards out to 600 yards. This makes it ideal for many rifle shots taken in steep, mountainous terrain. The waterproof CRF1000-R features a 24mm optical lens with 7X magnification. Field of view at 1000 yards is 347 feet. Europtic’s $449.00 SALE price is the best we’ve found on this unit.
The LabRadar is the most advanced chronograph on the market. When it was first released, you had to wait months to get one of these Doppler Radar units. Now they are in-stock and ready to ship at Bruno Shooters Supply for $559.95. Once you learn how to position and adjust the LabRadar, you should find the machine reliable and versatile. We do recommend getting a separate battery pack. If you are considering purchasing a LabRadar Chronograph, we strongly suggest you read the very thorough and informative LabRadar Review by Ray Gross, Captain of the USA F-TR team. NOTE: If the LabRadar sells out at Bruno’s, you should be able to get it from MidwayUSA, for the same $559.95 price.
3. CDNN Sports — Savage 64 TR-SR, $239.99
Th Savage 64 TR-SR is great for Rimfire Tactical matches or general rimfire cross-training. The tactical-style wood stock features a vertical grip and a low-angle rear toe that works well in a rear bag. The Savage TR-SR comes complete with a Picatinny-style rail for mounting optics, and the muzzle is threaded 1/2-28 for suppressors. This .22 LR rifle, now just $239.99 on sale at CDNN, works well shooting prone from bipod or rest. With this low price you can afford lots of .22 LR ammo for training.
4. Midsouth — Nikon ProStaff Scopes Starting at $149.95
If you need a good, basic zoom scope for a hunting rifle or general-purpose rifle, this deal is hard to beat. Right now Midsouth has Nikon ProStaff scopes on sale started at just $149.95 for a 3-9x40mm. And there’s free shipping to boot! The ProStaff scopes on sale feature Nikon’s patented BDC reticle and are backed by Nikon’s no-nonsense, lifetime warranty. CLICK HERE to see this offer at Midsouth Shooters Supply.
5. Natchez — Special 5 Reloading Press Kit, $199.99
This is an excellent entry-level reloading kit, which is on sale for $199.99 at Natchez Shooters Supplies. We like the relatively compact Special 5 press for most reloading duties. Eventually you may want to add an additional, large heavy press, but this will get the job done. This kit includes an RCBS Powder Measure, Digital Scale, Powder Trickler, Hand Priming Tool, Load Manual, Loading Tray, and more. It’s hard to beat this combination of tools for under $200.00.
6. Amazon — Plano 42″ All-Weather Hard Case, $59.99 Shipped
Here’s a rugged hard case that compares well with a Pelican case, yet is less than half the cost. Plano’s GunGuard All Weather™ 42″ tactical gun case features heavy-duty, dual-stage lockable latches, a user-configurable foam interior, and a watertight/airtight closure with built-in pressure valve. The interior size is 43″ X 13″ X 5″, while the pluckable foam zone is 39.25″ X 10.25″. This is a very tough case that can withstand hard handling. The very attractive $59.99 sale price includes FREE shipping.
7. Grafs.com — MagnetoSpeed Sporter $179.99
If you have been waiting to get a MagnetoSpeed… wait no longer. Priced at just $179.99 at Grafs.com, the MagnetoSpeed Sporter model costs less than half as much as Magnetospeed’s V3 models. This chronograph attaches directly to your barrel so you don’t have to go downrange to position tripods and set up skyscreens. For most people the Sporter Model contains all the features they need. Using MagnetoSpeed’s XFR adapter (sold separately), data can be transferred easily from the display module to your mobile device. READ Magnetospeed Sporter Review.
8. Amazon — RAVPower 22000 mAh Battery Bank, $31.99
This is one of the most powerful, fast-charging USB-type power banks you can buy. Rated at 22000 mAh, it has 50% more “juice” than many units selling for around $35.00. This RAV Power machine charges up quickly and boasts three “intelligent” ports for optimal charging of smartphones, iPads, tablets, and other devices. Your Editor bought this RAVPower 22000 mAh unit to charge his own phone and iPad. It can deliver a total current output of 5.8A (2.4A max per port), allowing it to charge two iPads and one iPhone 6s at optimal charging speeds. This unit can also power a LabRadar Chronograph for a full weekend of shooting (6-7 hours per day). This is a very good deal — the price was just dropped from $39.99 to $31.99 with free shipping on orders over $49.99.
Ever wondered what caused a particular bulge or marking on a case? And more importantly, does the issue make the case unsafe for further use? Sierra Bullets Ballistic Technician Duane Siercks offers some insight into various issues and their causes in this article from the Sierra Blog.
Diagnosing Problems with Cartridge Brass
by Duane Siercks, Sierra Bullets
I was handed a small sample of .223 Rem cases the other day and was asked if I could comment on some marks and appearances that had been noticed as they were sorting through the cases. I will share what was observed and give you what would seem to be a cause for them. These were from an unknown source, so I have no way of knowing what type of firearm they were fired in or if they were factory loaded or reloaded ammunition.
Example ONE: Lake City 5.56, Unknown Year
Case #1 was seen to have a very rounded shoulder and split. Upon first look it was obvious that this round had been a victim of excess pressure. The firearm (perhaps an AR?) was apparently not in full battery, or there was possibly a headspace issue also. While taking a closer look, the primer was very flat and the outside radius of the primer cup had been lost. High pressure! Then I also noticed that there was an ejector mark on the case rim. This is most certainly an incident of excessive pressure. This case is ruined and should be discarded. See photo below.
Example TWO: Lake City Match 1993
Case #2 appears very normal. There was some question about marks seen on the primer. The primer is not overly flattened and is typical for a safe maximum load. There is a small amount of cratering seen here. This can be caused by a couple of situations.
Cratering is often referred to as a sign of excess pressure. With safety in mind, this is probably something that should make one stop and really assess the situation. Being as there are no other signs of pressure seen with this case, I doubt that pressure was unsafe. That leads us to the next possibility. This can also be caused by the firing-pin hole in the bolt-face being a bit larger than the firing-pin, and allowing the primer to flow back into the firing-pin hole causing the crater seen here. This can happen even with less-than-max pressures, in fact it has been noted even at starting loads. Always question whether pressure is involved when you see a crater. In this situation, I lean toward a large firing-pin hole. This case should be safe to reload.
Example THREE: R-P .223 Remington
Case #3 appears normal with one exception. There are two rings seen about one half inch below the base of the shoulder. These rings are around the circumference of the case, one being quite pronounced, and the other being noticeably less.
As we do not know the origin of the firearm in which this case was fired, it does seem apparent that the chamber of the firearm possibly had a slight defect. It could have been that the reamer was damaged during the cutting of this chamber. I would suggest that the chamber did have a couple of grooves that imprinted onto the case upon firing. This firearm, while maybe not dangerous should be looked at by a competent gunsmith. In all likelihood, this case is still safe to use.
Example FOUR: R-P .223 Remington
Case #4 has no signs of excess pressure. There is a bulge in the case just ahead of the case head that some might be alarmed by. This bulge is more than likely caused by this case being fired in a firearm that had a chamber on the maximum side of S.A.A.M.I. specifications. There is actually no real issue with the case. Note that the primer would indicate this load was relatively mild on pressure.
If this case was reloaded and used in the same firearm numerous times there might be a concern about case head separation. If you were going to use this case to load in an AR, be sure to completely full-length re-size to avoid chambering difficulties. This case would be safe to reload.
It is very important to observe and inspect your cases before each reloading. After awhile it becomes second nature to notice the little things. Never get complacent as you become more familiar with the reloading process. If ever in doubt, call Sierra’s Techs at 1-800-223-8799.
Our good friends Ed and Steve (aka “The 6.5 Guys”) have just released an in-depth product review of the AMP Annealing system. Produced in New Zealand, the AMP (Annealing Made Perfect) unit is a sophisticated, microprocessor-controlled annealing machine that achieves ultra-consistent results through an electrical INDUCTION process.
AMP Annealing Machine Review by the 6.5 Guys:
Ed was so impressed with the AMP annealer that he purchased his own AMP to replace a carousel-type, dual-torch annealer he previously used. Ed tells us that “once you have the correct setting for your brass the AMP’s results are repeatable every time.” By contrast, Ed explained, “with butane torch systems you have to adjust the system when the ambient temperature changes, or even if your butane fuel is slightly different.” Ed says that, with his AMP system, he can anneal a case every few seconds. Yes it does require manually handling each case but “the actual annealing process is so fast, this really isn’t a big issue.”
If you want to extend the useful life of your precious cartridge brass, then you should definitely consider annealing. And if you are in the market for an annealer, the new AMP machine deserves serious consideration. Though not inexpensive, it achieves excellent results according to the 6.5 Guys.
6.5 Guys’ AMP Annealer Review Key Points:
1. The AMP machine provides complete peace of mind that you are annealing properly — there is no guesswork. With a propane machine you have to calibrate dwell times which can be error prone. Even if you don’t change out your cartridge, dwell times will vary with temperature changes as this affects the propane pressure.
2. We noticed that the AMP machine produces brass that is more like factory brass from a hardness standpoint. Despite all our efforts and research around calibrating our propane machines, brass never seemed returned to factory condition and shoulder spring-back would increase with each reloading so we had to adjust our sizing dies. When a cartridge comes out of the AMP it is very, very close to new condition.
3. One of the things we dreaded was setting up our propane machine for different cartridges. With Ed’s OCD he would spend a good 30 minutes making sure everything was perfect. With the AMP machine you simply change out the pilot and select the proper program. It’s really straight-forward.
NOTE: We strongly recommend you read the Full AMP Annealer Review on 65guys.com. It contains a detailed explanation of the machines’ operation and the reviewers explain the pros (and cons) or the machine compared to flame-type annealers.
The current price for the AMP Annealer, with three pilots of your choice, is $995.00 USD. Additional pilots are $20.00 USD. For more info, visit www.AMPAnnealing.com.
Guys — honestly, if you do anything today on this site, watch this video. You won’t be disappointed. Guaranteed. This is a very informative (and surprisingly entertaining) video. Every serious hand-loader should watch this video to see how cartridge cases are made. Your Editor has watched the video 5 times now and I still find it fascinating. The camera work and editing are excellent — there are many close-ups revealing key processes such as annealing and head-stamping.
VERY Informative Video Show Cartridge Brass and Ammunition Production:
Norma has released a fascinating video showing how bullet, brass, and ammunition are produced at the Norma Precision AB factory which first opened in 1902. You can see how cartridges are made starting with brass disks, then formed into shape through a series of processes, including “hitting [the cup] with a 30-ton hammer”. After annealing (shown at 0:08″), samples from every batch of brass are analyzed (at multiple points along the case length) to check metal grain structure and hardness. Before packing, each case is visually inspected by a human being (3:27″ time-mark).
The video also shows how bullets are made from jackets and lead cores. Finally, you can watch the loading machines that fill cases with powder, seat the bullets, and then transport the loaded rounds to the packing system. In his enthusiasm, the reporter/narrator does sometimes confuse the term “bullets” and “rounds” (5:00″), but you can figure out what he means. We definitely recommend watching this video. It’s fascinating to see 110-year-old sorting devices on the assembly line right next to state-of-the art, digitally-controlled production machinery.
Video suggestions by Boyd Allen and EdLongrange. We welcome reader submissions.
We’ve done some bullet casting in the past, both for handgun bullets, and the large, heavy (400gr+) projectiles used with Black Powder Cartridge Rifles. We can say, unequivocally, that newbies should seek out the assistance of a skilled, experienced mentor, who is familiar with the important safety procedures that must be employed. Working with molten lead can be dangerous. And it also takes some skill to get good results (without visible casting flaws), particularly with very large bullets.
That said, there are valuable resources that can help you get started with the casting process. Wolfe Publishing offers two DVDs that cover the bullet casting process from start to finish. Bullet Casting 101 takes you through the basics: showing you how to choose the correct alloy for your application, prep molds, maintain the optimal temperatures, and lube and size bullets. The important steps are laid out clearly. In addition, Bullet Casting 101 helps you select the right equipment and preferred molds for your particular application. (To create uniform rifle bullets that shoot accurately, you really do need high-quality molds.)
Wolfe Publishing offers a companion DVD, Casting Premium Bullets for Handguns, that covers more advanced techniques for high-volume pistol bullet production. This DVD covers both single-cavity molds and multiple-cavity “gang” molds. (Gang molds can be frustrating at first; it is harder to maintain perfect temp control and mold separation is more complex). The DVD also reveals the sources of most common casting flaws, and explains how to detect cracks, voids and other problems.
You’ll save considerable time and effort if you really understand how to avoid common mistakes before you start pouring lead. And you’ll get the best results if you learn how to “blend” the optimal alloy for the job. Maintaining the right mold temperature is also critical for good results. These topics and more are covered in these two DVDs, priced at $16.99 each from Sinclair International.
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We’ve learned that many first-time visitors to AccurateShooter.com may come in via a link to the Daily Bulletin rather than through our home page. As a result, they may not be aware that there is a wealth of other content available to our readers. Our Shooters’ Forum, with nearly 33,000 registered members, is one of the best places on the web to discuss precision shooting and advanced reloading. We also offer FREE Forum Classifieds. On the editorial side, AccurateShooter.com offers hundreds of pages of content, with thousands of photos. Our Cartridge Guides are definitive one-stop resources for popular match calibers, while our Guns of the Week articles spotlight outstanding custom rifles, most with competition pedigrees. In addition, we offer videos, gear reviews, book reviews, gunsmithing tips, and even FREE downloadable targets.
If you’re a new visitor to AccurateShooter.com, you should check out all that we have to offer. There are hundreds of informative articles to read … and they’re all FREE.
The new 15th Edition of Cartridges of the World is slated for release on October 24th, 2016, but you can pre-order now via Amazon.com. This massive 680-page reference contains illustrations and basic load data for over 1500 cartridges. If you load for a wide variety of cartridges, or are a cartridge collector, this book is a “must-have” resource. The latest edition (release date 10/24/2016) includes 50 new cartridges and boasts 1500+ photos. This important reference guide can be pre-ordered now through Amazon.com for $21.20. Order now and you’ll get the new 15th Edition hot off the press.
Cartridges of the World, the most widely-read cartridge reference book, has been totally updated, with a newly expanded, full-color 64-page color section featuring essays from some of today’s most prominent gun writers. The 15th Edition of Cartridges of the World includes updated cartridge specs, plus essays by leading writers on the topics of SAAMI guidelines, wildcatting, and new cartridge design trends. In scope and level of detail, Cartridges of the World is the most complete cartridge reference guide in print.
Cartridges of the World by author Frank C. Barnes was first published in 1965. The 15th Edition is edited by W. Todd Woodard, Editor of Gun Tests magazine and author of several firearms reference books. Frank Barnes (1918-1992) began collecting information on handgun cartridges at the early age of 12, thanks to his father, a police officer. Frank Barnes was an innovative cartridge designer, who invented the original 308 x 1.5″ Barnes, predecessor of the 30BR case.
Before Frank began a law enforcement career, he was a college professor. Frank was also a pilot, and a race-car driver. Learn more about Cartridges of the World (15th Ed.) at www.gundigest.com.
At the request of our readers, we provide select “Deals of the Week”. Every Monday morning we offer our Bargain selections. Here are some of the best deals on firearms, hardware, reloading components, and shooting accessories. Be aware that sale prices are subject to change, and once clearance inventory is sold, it’s gone for good. You snooze you lose.
1. Cabela’s — Rem 700 ADL Varmint, $309.99 with 10% Off Coupon and Remington $50.00 Rebate
OK, here’s the deal of the year for hunters. You can get a complete Remington 700 ADL Varmint Rifle in 22-250 or .308 Win for $309.99. That’s less than you might pay for a used Rem 700 action by itself. Here’s how it works. The current Cabela’s Sale Price is $399.99. Use online discount code STOCKUP16 to knock 10% off the price. That brings it down to $359.99. OK, there’s more — now through September 30, 2016, Remington is offering a $50 Mail-in Rebate on Rem 700 ADLs. When you get the $50.00 back from Remington, your net cost for this rifle is $309.99. CLICK HERE for Remington Rebate INFO.
IMPORTANT: Remington $50.00 Rebate valid on purchases made from 8/1/16 through 9/30/16. All Rebate requests must be postmarked by 10/29/16.
2. Midsouth — Alamosa Gun Case for 50″ Scoped Rifle
We’ve been looking for a jumbo, well-padded soft case like this for a long time. Something big enough to hold long-barreled match guns, with enough padding to protect nice finishes and enough room for tall scopes. We are impressed with the new Alamosa Gun Case from Allen Company, which holds guns up to 50″ in length. We measured a 28″-barreled bench gun and this case was just big enough. If you have an adjustable buttplate, muzzle brake, or tuner, you might need a longer case (measure your rifle before ordering the Alamosa case). There’s a lot to like with the Alamosa case. The pockets are large and the shape provides plenty of room for big optics. You can purchase this case from Midsouth for $43.05, or from Amazon.com for $48.46 with free PRIME shipping.
— Extra-wide design to accommodate bi-pods and large scopes
— Multiple External Pockets
— Rugged Endura fabric with soft-knit lining
— Lockable zippers, padded handle
3. Cabela’s — 10% Off Guns & Ammo + Free Shipping ($99 Min)
Cabela’s is having a big Sale on Firearms now, in advance of hunting season. You’ll find very competitive prices on rimfire and centerfire rifles. To make things even better, with a $99 minimum order you can get 10% Off plus FREE shipping with CODE STOCKUP16. This promo applies to ammunition as well (minimum order $99.00). If you need rifle, pistol, or shotgun ammo, the FREE Shipping offer can save you quite a lot. NOTE: This offer expires 10/2/16 at 11:59 p.m. (EDT), so place your orders soon.
4. CDNN Sports — HK 416 .22LR Rimfire Rifle, $379.99
If you are looking for an AR-type .22 LR rifle for cross-training and rimfire tactical matches, the HK 416 is a fine choice. Made by Walther under license, these HK 416 D145RS rimfire rifles are accurate and reliable. This is a good deal at $379.99! The HK 416 normally sells for $550.00 to $600.00. One purchaser writes: “Great .22. I have had this gun a couple of months and have put about 500 rounds of 5 different brands of ammo through it. Not one FTE. I have shot other brands that can’t get through one 30-round mag without a failure.” CLICK HERE for Product Details.
Need quality .22 LR rimfire ammo at an affordable price? Consider Norma. Most folks think Norma only produces centerfire ammo and cartridge brass. As a result, people haven’t been looking for Norma rimfire ammo. Their loss is your gain. Accurate, reliable Norma .22 LR ammunition is in-stock right now at leading online vendors. This is good quality ammo, made in Europe. Bullets.com has Norma Tac-22 ammo in stock at $5.25 per 50-rd box (SKU: BL7819). In addition, Bullets.com offers Norma Match-22 ammunition at $7.50 per 50-rd box (SKU: BL11887).
6. Amazon — RAVPower 22000 mAh Battery Bank, $39.99
This is one of the most powerful, fast-charging USB-type power banks you can buy. Rated at 22000 mAh, it has 50% more “juice” than many units selling for around $35.00. This RAV Power machine charges up quickly and boasts three “intelligent” ports for optimal charging of smartphones, iPads, tablets, and other devices. After looking at a number of competitive battery banks, your Editor bought this RAVPower 22000 mAh unit to charge his own phone and iPad. It can deliver a total current output of 5.8A (2.4A max per port), allowing it to charge two iPads and one iPhone 6s at optimal charging speeds. This unit can also power a LabRadar Chronograph for a full weekend of shooting (6-7 hours per day).
Here is a very good deal on a decent 55-inch-high Stack-On Safe that offers a lot of capacity for the money. The claimed capacity is 24 long guns, that might work for smaller, unscoped rifles or shotguns. For scoped rifles, you might fit a dozen comfortably. There are convertible shelves that can hold handguns, optics, or other valuables. This safe will be delivered to your location — it is not available for in-store pick-up. Shipping surcharge applies. External Safe Dimensions are 55.00″ High x 29.25″ Wide x 20.25″ Deep. Shipping weight is 436 pounds.
For pure plinking fun, it’s hard to beat rimfire shooting at reactive targets. We’ve used this inexpensive Rimfire Spinner target, and it has proven easy to set up and durable. We like the fact that there are three target diameters (3 5/8″, 2 1/4″, 1 5/8″) — that let’s new shooters get their confidence. You can set this spinner target close for pistols or at 50 yards with .22 LR rifles. This Birchwood Casey Target is also offered by Amazon.com for $19.99 with FREE Prime Shipping.
Why You CANNOT Rely on the MV Printed on the Ammo Box!
When figuring out your come-ups with a ballistics solver or drop chart it’s “mission critical” to have an accurate muzzle velocity (MV). When shooting factory ammo, it’s tempting to use the manufacturer-provided MV which may be printed on the package. That’s not such a great idea says Bryan Litz of Applied Ballistics. Don’t rely on the MV on the box, Bryan advises — you should take out your chrono and run your own velocity tests. There are a number of reasons why the MV values on ammo packaging may be inaccurate. Below is a discussion of factory ammo MV from the Applied Ballistics Facebook Page.
Five Reasons You Cannot Trust the Velocity on a Box of Ammo:
1. You have no idea about the rifle used for the MV test.
2. You have no idea what atmospheric conditions were during testing, and yes it matters a lot.
3. You have no idea of the SD for the factory ammo, and how the manufacturer derived the MV from that SD. (Marketing plays a role here).
4. You have no idea of the precision and quality of chronograph(s) used for velocity testing.
5. You have no idea if the manufacturer used the raw velocity, or back-calculated the MV. The BC used to back track that data is also unknown.
1. The factory test rifle and your rifle are not the same. Aside from having a different chamber, and possibly barrel length some other things are important too like the barrel twist rate, and how much wear was in the barrel. Was it just recently cleaned, has it ever been cleaned? You simply don’t know anything about the rifle used in testing.
2. Temperature and Humidity conditions may be quite different (than during testing). Temperature has a physical effect on powder, which changes how it burns. Couple this with the fact that different powders can vary in temp-stability quite a bit. You just don’t know what the conditions at the time of testing were. Also a lot of factory ammunition is loaded with powder that is meter friendly. Meter friendly can often times be ball powder, which is less temperature stable than stick powder often times.
3. The ammo’s Standard Deviation (SD) is unknown. You will often notice that while MV is often listed on ammo packages, Standard Deviation (normally) is not. It is not uncommon for factory ammunition to have an SD of 18 or higher. Sometimes as high as 40+. As such is the nature of metering powder. With marketing in mind, did they pick the high, low, or average end of the SD? We really don’t know. You won’t either until you test it for yourself. For hand-loaded ammo, to be considered around 10 fps or less. Having a high SD is often the nature of metered powder and factory loads. The image below is from Modern Advancements in Long Range Shooting: Volume II.
4. You don’t know how MV was measured. What chronograph system did the manufacturer use, and how did they back track to a muzzle velocity? A chronograph does not measure true velocity at the muzzle; it simply measures velocity at the location it is sitting. So you need to back-calculate the distance from the chrono to the end of the barrel. This calculation requires a semi-accurate BC. So whose BC was used to back track to the muzzle or did the manufacturer even do that? Did they simply print the numbers displayed by the chronograph? What kind of chronograph setup did they use? We know from our Lab Testing that not all chronographs are created equal. Without knowing what chronograph was used, you have no idea the quality of the measurement. See: Applied Ballistics Chronograph Chapter Excerpt.
5. The MV data may not be current. Does the manufacturer update that data for every lot? Or is it the same data from years ago? Some manufacturers rarely if ever re-test and update information. Some update it every lot (ABM Ammo is actually tested every single lot for 1% consistency). Without knowing this information, you could be using data for years ago.
CONCLUSION: Never use the printed MV off a box of ammo as anything more than a starting point, there are too many factors to account for. You must always either test for the MV with a chronograph, or use carefully obtained, live fire data. When you are using a Ballistic Solver such as the AB Apps or Devices integrated with AB, you need to know the MV to an accuracy down to 5 fps. The more reliable the MV number, the better your ballistics solutions.
Norma has released a fascinating video showing how bullet, brass, and ammunition are produced at the 
Wolfe Publishing offers a companion DVD, 
