5.56 (Hunting/Defensive/Competition)

Brass: Offered in new brass only. *IMPORTANT: Though both cartridges look identical, 5.56 is loaded to a higher pressure than .223, which is why rifles chambered for a 5.56 cartridge can fire .223, but it is not recommended that 5.56 cartridges are fired out of a rifle chambered for .223 Did you know that you can shoot .223 out of any rifle chambered for 5.56? See our .223 selection here. Bullet/ Grain Application Velocity/Test Barrel 45gr Frangible close-range steel, shoot-house training 2965/16" 75gr HPBT training/practice, small game (explosive jacket separation will occur) 2700/20" 55gr HPBT varmint, defensive use (explosive jacket separation will occur) 3000/20" 55gr SP hunting, defensive use 3000/20" 69gr HPBT competition, long range. Loaded with a Hornady projectile 3065, 24" bc .315 77gr Pro Series SMK precision rifle, long range, hunting, similar to the military's MK262 mod 1 round. 2850/24" bc .362 77gr HPBT precision rifle, long range, hunting, loaded with a Hornady open-tipped match projectile 2850/24” Ballistic Coefficient- .355 Lot #251120 and forward will be 2800/24"