This is a F.A.B. Stock known as the GLR-16, model FX-GLR16B.
The GLR-16 Buttstock for your AR15/M16 provides you with enhanced versatility with it's stock extension and optional adjustable Cheek Rest. It has a uniquely designed rubber butt pad for fast and stable shoulder positioning. There are three integrated slots for sling attachment" one in the front and two at the rear and two ambidextrous metal quick release rear sling mount points.
Features:
Black finish
Fits AR rifles
Water-resistant anti rattle storage compartment
Fits perfectly on MIL-SPEC and commercial after-market buffer tubes
