5.56 (Hunting/Defensive/Competition)
Quantity
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DetailDescription
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
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" 77gr SMK precision rifle, long range, hunting, similar to
the military's MK262 mod 1 round.
2700, 20"
Ballistic Coefficient- .372
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