Installs on a GI barrel nut, not included with hand guard
Complete install in minutes, removal of delta ring is required
Four anti-rotation QD sockets for push button swivels
High quality 1913 mil-spec rails, T-marked for accessory location
Incredibly lightweight, extremely solid lock-up with monolithic type continuous top rail
Billet machined from 6061 aluminum and hard coat anodized.
Mid-Length ... Length 9 inches ... Weight 11.3 oz.
Piston compatible Works with most well known piston systems including STAG, CMMG, ADAMS and Smith & Wesson to name a few. (Will not work with Osprey Systems).