Cartridge 5.56x45mm NATO

Grain Weight 55 Grains

Muzzle Velocity 3180 Feet Per Second

Muzzle Energy 1235 Foot Pounds

Bullet Style Full Metal Jacke

tLead Free No

Case Type Brass

Primer Boxer

Corrosive No

Reloadable Yes

Velocity Rating Supersonic

Country of Origin United States of America