The only thing they changed was the primer. 2829 0 obj <> endobj Apr 30, 2012. mounts. www.6mmbr.com. How critical is the primer seating mechanism? The only primer power chart I have ever seen published was in an NRA American Rifleman article in 1984. Shop products in Primers today | Federal Premium Fishing Bait Chart; Hunting Camo Patterns; Guns. The testing was apparently done with a homemade ballistic pendulum, which left a lot to be desired. Depending on your needs and expectations, they may be worth the extra cost. bullet, 55 grains of Reloader 19, in Winchester brass. Their magnum LR primer is the F215. So what's the difference? If the brass has a large. Laurie loaded .308 Win ammo* with 16 LR primer varieties and then tested for average velocity, ES/SD, and group size. Store For Availability. It is a standard factory issue; we bedded the Sign up for the ARFCOM weekly newsletter and be entered to win a free ARFCOM membership. Store For Availability. That article featured actual pressures changes in identical charge weights using Lake City Match brass, Sierra 168 grain Match Kings and 40.5 grains of IMR-4895. Total group size variance (from best to worst) was 0.27. 100%. Large rifle primers - which measure about .128 inches in height and .212 inches in width. Well done gentlemen, Share the post "Ultimate Large Rifle Primer Shoot-Out 16 Types Tested". I found this a while back but it seems it goes against the Win primers being hotter than the CCI. 0000010068 00000 n 4.5-7.4 .4832, 4Winchester WLRM 5.45 5.1-6.0 .2046, 5 Remington 9 1/2 LRM 5.09 3.5-6.75 .6641, 6 Winchester WLR 4.8 0000015264 00000 n to be similar in burning rate. You must log in or register to reply here. I guess what my question boils down to is whether you think the range of primer performance you observed in your test here would carry over to other cartridges and powder selections. 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js'; Winchester works to make sure all primers are reliable, instant and precise. If you are shooting a 22 Cooper, Hornet, or a Bee, the .020" cup will perform admirably. CCI 250 MAG Large Rifle Primers - 100 Ct. $9.49. Freedom Is Never Free. Remington Large Rifle Primers #9-1/2 Box of 1000 (10 Trays of 100) _gaq.push(['_setDomainName', '.accurateshooter.com']); 0000077042 00000 n Large rifle primers all come with one brass thickness, a nominal 0.027" (unlike small rifle primers which vary from 0.020" to 0.025" depending on make/type). Thanks, DR. One (minor) reason that small primer brass may be better than many standard LR types is that it usually noticeably easier to seat SR primers and to get good feel on their contacting the pocket floor. Mysteries And Misconceptions Of The All-Important Primer 0 FWIW, Dutch. 3.7-5.5 .3997, 10 CCI BR2 4.37 CCI "APS" Large Rifle Primers Strip . So, don't take this as gospel but as a rough indicator. The 7.6254mmR is a rimmed rifle cartridge developed by the Russian Empire and introduced as a service cartridge in 1891. We picked this load because it shot reasonably We used Lapua brass and the You will have match. HTH, Dutch.
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