The Colt Canada C8 carbine range are carbine variants of the C7 family, and are mechanically and aesthetically very similar to the Colt 653. Colt made the initial C8s for Canadian Forces as the Colt Model 725. The C8 has a 368 mm (14.5 in) A1 profile barrel like the Colt Model 653 M16A1 carbine, but with a 1 in 180 mm (7 in) rifling twist appropriate for the 5.56×45mm NATO C77 cartridge. The C8 incorporates the design improvements featured on C7 assault rifles. The C8 has a cyclic rate of fire of...
