Dec 25, 2025 · Does anyone here use CC#34 or CCI#41 primers for precision reloading (600 - 1000 yard rifles)? Advertised as: Mil spec. Relialble. good for preventing slam fires in semi …

Dec 27, 2024 · The primers used are as follows: Federal 205 and 205 M, Remington 7 1/2 Bench Rests, CCI BR 4 and 450 magnum and Winchester WSR. All groups used five shots at 100 …

NOTE 1: According to Speer/CCI Technical Services - Both the CCI 550 Small Pistol Magnum and CCI 400 Small Rifle primers are identical in size. Both primers use the same cup metal …

May 18, 2018 · Has anyone done any load development with White River Energetics large rifle primers? If so, what were your results?

Nov 20, 2021 · The advice above to use milder magnum primers with smaller powder charges and to go big with big charges is a good general principle. For me, my light magnum primers …

Oct 8, 2021 · I am starting to load 6.5 PRC and I would like to know if you guys use magnum primers or large Rifle primers thanks

Mar 26, 2018 · Working at getting components for my wife’s 6BR. Found 8 Lb of Varget Lapua brass and Lapua 105’s.was able to score some CCI 400 primers today on Powder Valley. It …

Sep 29, 2024 · With magnum primers, especially when starting to work up a load from scratch I have found that there is no difference, It also simplifies which primer to use without going …

Jul 8, 2024 · Large rifle primers are fairly available. Large rifle magnum, are very hard to come by. The magnum primers have popped up from time to time. It's been around $150-$200, shipped, …

Jun 28, 2025 · Winchester small rifle primers pierce quicker than any primer I have found, and many are under size in dia. On load development, I ALWAYS try different primers on a final …