Area 419 ARCALOCK Universal Barricade Rail Kit Features The Area 419 ARCALOCK Rail Kit uses serrated rail sides that mechanically interface with the proprietary clamp design to lock the clamp firmly in place with no movement possible. These serrations are designed to not be sharp so they will not damage bags gear or hands during use. The rail offers 58 distinct locking positions each engraved directly on the rail allowing shooters to return quickly to a known setting for barricade or prone positions. Despite the proprietary locking clamp the rail remains backwards compatible with standard Arca accessories for added flexibility. Machined from 6061-T6 aluminum and finished with Type 3 hard coat anodizing the rail is built to resist wear from repeated use in competition and field environments. Every corner is radiused and every edge chamfered eliminating sharp points that could snag gear or cause discomfort during handling. The clamp features a proprietary two stage screw design that switches thread pitch under tension allowing rapid movement when unclamped and strong holding torque once secured. For precision rifle shooters running barricade stages or prone supported positions the Area 419 ARCALOCK Rail Kit is a purpose built upgrade for sale at GrabAGun. Area 419 ARCALOCK Universal Barricade Rail Kit Specifications Manufacturer: Area 419 Model: ARCALOCK Universal Rail Kit Color: Black Material: 6061-T6 Aluminum Country of Origin: USA Type: Rail Mount Available At: GrabAGun