The "AR" style GRS Warg rifle stock is made for the long range shooter. The M-Lok mounting system allows you to easily add accessories such as top mounted bipods and front mounted night vision and thermal imaging equipment.The main body of Warg is made of fiberglass reinforced composite materials. Rubber surfaces on the ergonomic grip assure full control during handling your rifle at all times. The new GRS SpeedLock II adjustment system makes it the perfect rifle stock to body fit withholding the recoil of even the heaviest calibers.