The M4-series Carbine achieves over 80% commonality with the M16A2 Rifle and replaces all M3 .45 caliber submachine guns, and selected M9 pistols and M16 rifles. The Army is pursuing a two-phase ...

M4 carbine. U.S. Army Sig's family of MXC firearms — which includes the M7 — are also partly derived from the AR-15/M16, but ...

The service’s Joint Program Executive Office for Armaments and Ammunition broke ground Feb. 5 on a 6.8 mm ammunition ...