NcSTAR AK/SKS Bipod Barrel Mount AK-47/SKS Bipod Clamps Directly to Barrel Easy Installation requires no modification to your rifle Adjustable leg heights Wide feet for better stability AK-47/SKS Bipod Clamps Directly to Barrel Weight:15.63 oz. Height:8.35" (Legs Collapsed),13.50" (Legs Extended)