True 5.56 is loaded hotter. It's advisable not to shoot it in a .223. Projectile weight is meaningless - 5.56 loads are available from 55-77gr. 5.56 max pressure is more than commericial .223. SAAMI...
Type: Posts; User: Beavis
True 5.56 is loaded hotter. It's advisable not to shoot it in a .223. Projectile weight is meaningless - 5.56 loads are available from 55-77gr. 5.56 max pressure is more than commericial .223. SAAMI...
PSD is PMC's military head stamp