Arcalock Clamp For Atlas & Harris Bipods - Arcalock Arca Swiss 17s Clamp

The Area 419 Arcalock Clamp for the Atlas and Harris Bipods feature a proprietary two-stage screw design. This clamp works on all standard Arca/1.5" Dovetail Rails. The clamping screw features two different thread pitches. The coarse 16tpi is used when no tension is on clamp, allowing rapid movement of the clamp vs others on the market. With high speed comes low torque though, so to counteract this as soon as the clamp sees tension it will switch to the 32tpi threads in the knob to give you ext