One Hand Operation Of Charging Handle Oversized for quick access from all shooting positions. Allows brisk, easy operation with left hand. Makes the charging handle easier to find and operate, especially on scope-mounted flat top receivers. Great for three gun shooters; expedites reloads and immediate action drills. Legal for NRA High Power, Match Rifle shooters. Works on all AR-15/M16-type rifles including the AR-10 and SR-25. Easy, no-gunsmithing installation.