Pistol primer comparison chart
2 Jul 2012 The primer is likely the reloading component most shooters know least about, primers to provide an adequate sample size for a comparison. 8 May 2016 Ammunition made in the U.S. generally uses Boxer primers. Boxer primer cups have a small bit of primary explosive material inside the base. A true Magnum shotshell primer for waterfowl and heavy field loads. 0009, —, —. Small Rifle, 400. For most standard loads in cases requiring small rifle primers. 3 Jun 2015 Target Shooter Magazine Laurie Holland Primer Comparison Test Magnetospeed Laurie loaded .308 Win ammo* with 16 LR primer varieties and then tested for NOTE: Values in chart are based on 15-Shot strings.
Primer Testing Reference. This testing was done to try and rank primers by power (brisance). This is the home made tester. The shot is fired against a weight which in turn moves a pointer. The pointer remains at the highest point of the shot. This shows the pointer after a shot has been fired. In this case, it was a Federal large rifle magnum
The first bit of useful trivia is that even though Small Rifle and Small Pistol primer pockets share the same depth specification, Large Rifle and Large Pistol primers do not. The standard pocket for a Large Pistol primer is somewhat shallower than its Large Rifle counterpart, specifically, 0.008 to 0.009 inch less. Load some empty hulls with primers to be tested. Place empty primed hull in your shotgun and go into a dark room. Fire the primed hulls in the dark and measure the length and intensity of the flame that comes out the end of the barrel. The primer with the longest, brightest flame is the strongest. Most manuals call for small rifle primers, (specifically the CCI #400), but if you talk to long-time loaders (and silhouette shooters) using this cartridge you'll find nearly all use a small rifle magnum primer. Load data found in manuals for the cartridge typically run at pressures between 38,000 and 44,000 cup while the SAAMI specs call for a 48,000 cup maximum. Thats when I decided that it was time to do a dissection of all primers concerned. The chart below shows my results. By studying the numbers (Cup “A” thickness), one can see which primers in the small rifle sections should be more resistant to primer cratering and/or piercing. (As a note of interest, small pistol primers are .017
Rifle primers use tougher cups than pistol primers because the firing pin blow of rifles is usually harder than the firing pin blow of pistols. Rifle primers also contain more priming compound than pistol primers, since rifle cartridges typically contain more powder than pistol cartridges. Magnum primers are "hotter" than standard primers.
All ammunition commercially loaded in the U.S., as well as reloaded ammunition, uses the self-contained "Boxer" type primer, developed by Edward Boxer. This while others require a small pistol primer (9mm, 38 special, 357 magnum, …). Depending on what cartridge you are reloading, you need to buy the proper size 6 Sep 2011 Know which primer size you need? Use this chart to compare vendors. Small Pistol Magnum Match. N/A. FDGM200M. N/A. N/A. N/A. N/A. N/A. Large Rifle = LR, Large Rifle Magnum = LRM, Large pistol =LP,. Brand/type Power Average Range Std. Dev. 1 Fed Match GM215M 6.12 5.23-6.8 .351. 30 Sep 2018 In fact, magnum pistol primers were developed for the large case FOR SEMI- AUTOS FAQ AND INFO” that follows the primer chart. Military 5.56mm primers have a cup thickness of about 0.24", compared to .020" or so that NATO and others; Militaries, police, and self defense. Penetration, 11.3-27”, 8 - 40" (13'). Primer type, primarily large pistol (but also small pistol in
If you have a weak ignition system, buy Federal pistol primers. They are the most sensitive primer on the market. You are better off buying a new mainspring because a weak ignition system will degrade over time, but, still, I like Federal pistol primers for their sensitivity.
CCI #300 Large Pistol Primers - 1000 pcs. Regular Price: $32.00 . Special Price $30.50 . Add to Cart. CCI #34 Large Rifle Military Primers - 1000 pcs. $38.00. Add to Cart. CCI #35 50 Caliber Primers - 500 pcs. $169.00. Add to Cart. CCI #350 Magnum Large Pistol Primers - 1000 pcs. $34.00
30 Sep 2018 In fact, magnum pistol primers were developed for the large case FOR SEMI- AUTOS FAQ AND INFO” that follows the primer chart. Military 5.56mm primers have a cup thickness of about 0.24", compared to .020" or so that
Large rifle primers all appear to have the same cup thickness, no matter what the type. (As a note of interest, small pistol primers are .017″ thick and large pistol primers are .020″ thick.) If you are shooting a 22 Cooper, Hornet, or a Bee, the .020″ cup will perform admirably. Primer comparisons This is a discussion on Primer comparisons within the Reloading forums, part of the Firearm Forum category; Ok, the more I see the more I am doubting something. My reload manuals call for: CCI 500 - Small Pistol CCI 400 - Small Ultimate Large Rifle Primer Shoot-Out — 16 Types Tested. Click Photo to read full test results in Target Shooter Magazine. Mother of All LR Primer Tests If you shoot a .308 Win, or any cartridge that uses a Large Rifle (LR) primer, you should read an important article by Laurie Holland in Target Shooter Magazine. Primer Testing Reference. This testing was done to try and rank primers by power (brisance). This is the home made tester. The shot is fired against a weight which in turn moves a pointer. The pointer remains at the highest point of the shot. This shows the pointer after a shot has been fired. In this case, it was a Federal large rifle magnum Small rifle and small pistol primers appear identical on the outside, but don’t use them interchangeably. Both are about .175 inches in diameter, and .120 inches tall, give or take a hair depending on brand. Large rifle primers measure about .128 inches tall and .212 inches wide, again give or take a bit. The first bit of useful trivia is that even though Small Rifle and Small Pistol primer pockets share the same depth specification, Large Rifle and Large Pistol primers do not. The standard pocket for a Large Pistol primer is somewhat shallower than its Large Rifle counterpart, specifically, 0.008 to 0.009 inch less. Load some empty hulls with primers to be tested. Place empty primed hull in your shotgun and go into a dark room. Fire the primed hulls in the dark and measure the length and intensity of the flame that comes out the end of the barrel. The primer with the longest, brightest flame is the strongest.
1 Feb 2018 What's the difference between berdan and boxer primers in ammo? Give this article a look for a detailed comparison of ammunition that uses Boxer primers and rounds Diagram of multiple flash holes in a berdan primer