This is a F.A.B. Stock, model FX-GLSHOCK.
The revolutionary patented 'GL-Shock' absorbing Buttstock contains a recoil-reducing mechanism with a built in premium silicon chrome alloy spring creating a State-of-the-Art stock for your M4/M16.
Features:
Black finish
Integral Ribbed Rubber Butt Pad
Fits AR rifles
Quick detach sling swivel connectors on both sides
Watertight battery storage
