Cci 41 vs 450. Somewhere in what I read, somebody recommended #450's from CCI. So ok, looks like #450's are billed as "MAGNUM Small Rifle Oct 4, 2019 · The cup thickness is exactly the same as CCI 41's. . Relative anvil exposure of fired primers shows the least amount of anvil exposure for the CCI 41 as compared with the CCI 450. Oct 18, 2025 · On the 41's, not only is the cup thicker, but the anvil angle, and primer mixture are different too (compared to the CCI 400). more resistant to slam fires. CCI #41 and #34 primers Mil-spec sensitivity Initiator mix optimized for ball/spherical propellants Available in large (No Jun 12, 2020 · What are the differences in "Small Rifle Primers" #400 vs #450? Can't remember where I read this, but went looking on InterWebz to find out which primers I would need for the 6. 020 thick cup whereas BR4, #450 and#41 have 0. As always though, it might still be wise to cut back on the charge slightly and work back up when making a component change. personally shooting CCI 400s now in mine, also have a case of fed 205s to shoot next, and a bunch of CCI41 and 450s that mostly get used in my creedmoor sized cases. sqewt noxypg gtua ievub zyvtzc fhqku kcw pfiazu txz evd