The M16, like the AK-47, is also a gas-operated rifle and features a rotating bolt with direct impingement. The M16 had a higher rate of fire, 700-950 rounds-per-minute (rpm), compared to the 600 ...

Closeup looks at Evoke's octagonal bolt hand, fluted two-lug bolt, detachable magazine, and forend Picatinny rail.

The CAR-15 is simply an M16 with a short, carbine-length barrel ... To drain the bar­rel, point the muzzle of the rifle down­ward and pull the bolt back about 1½". As soon as air can bypass ...

Summary and Key Points: The M16 rifle, designed by Eugene Stoner and adopted by the U.S. military in the 1960s, has remained a staple due to its reliability, modularity, and effectiveness.

The Evoke rifle is built around a new action designed by Christensen Arms, featuring a radially fluted, two-lug bolt with a 90° throw, as well as a plunger ejector and a Sako/M16-style extractor.