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. Mfg: Badger Ordnance SPECS: Steel, matte blue. 1.46'''' (37.3mm) long, .644'''' (16.3mm) high. Instructions included.