Product Details. We used Shop Primers And More | Remington Out of stock. Posted: 5/29/2018 9:45:54 PM EST. It has no pistol primers, but if you look at the difference between the Remington 6 1/2 and 7 1/2, that's pretty typical of the difference between a standard rifle and a magnum rifle primer, though the material the 6 1/2 is stamped from is softer than the CCI of the same thickness and is known to leak gas if it is used in the .223. I did not test the 210M. SP = Small Pistol . PDF Primer Size Chart - Henry Krank were very even, but this was a limited lot and they are not widely available. Laurie loaded .308 Win ammo* with 16 LR primer varieties and then tested for average velocity, ES/SD, and group size. And real standardization. Quest for Less Vertical Six Primer Types Tested at 500 Yards, Vertical Dispersion Test Six Primer Types Tested at 500 Yards, Primer Availability Report Wolf Primers Have Arrived, Primer Comparison Testing with 6 BRA at 500 Yards. A few Rifle cartridges 5,652 R and cal. We used Lapua brass and the Rated 4.80 out of 5 $ 105.00. Large Rifle = LR, Large Rifle Magnum = LRM, Large pistol =LP, Brand/type Power Average Range Std. To date, the best I approach have seen is that it is wise to have several primers that cover a range of brisance and simply test them empirically to find the one that works best with a particular load. You are using an out of date browser. The Primer on Primers | CarolinaFirearmsForum We had to stop our test at this stage, as our TRG-41 got I have to wonder if the lack of hard data comes from the manufacturers not wanting to be held to some yahoo's feeble attempts to "prove they cheated me" with craptasticly bad "testing." The Versatile .270 Winchester: Handloading Tips & Recipes According to the same Internet sources, the Federal Gold Match Large Rifle Magnum primers (215M) are at the top of the list in terms of heat. Great info. It is a standard factory issue; we bedded the