03-24-2022, 11:39 AM
BillS Wrote:Do you think matters if I use CCi standard smr primers or can I use magnum smr primers? Hornady load manual says WSR. Primers are hard to come by.
In an AR-15 with floating firing pins the primers with thicker cups help reduce the hazard of a slam fire. Magnum primers like CCI 450 are commonly used by forum members. BR4 bench rest primers have thicker cups as do military CCI 41 and Federal AR primers.

