I Have This Old Gun: U.S. M16A2 Rifle
This expert guide from NRA Publications details the U.S. M16A2 rifle, highlighting its development, key improvements over previous models, and specific features. Mark A. Keefe IV and other firearm historians discuss its barrel modifications for M203 compatibility, the 'birdcage' flash hider, forward assist, brass deflector, improved rear sight, and the shift to 3-round burst fire. The entry emphasizes the rifle's optimization for the M855 cartridge and its historical significance.











