Phoenix Precision ARCA Clamp Head Phoenix Precision's ARCA Head Clamp is built to give your Phoenix Bipod a rock-solid, competition-ready connection to any ARCA rail. Machined for a precise fit, this clamp locks down tight without shifting under recoil, letting you load the bipod with confidence shot after shot. The quick-adjust design makes it fast to mount or reposition on the line, while the low-profile build keeps your rifle balanced and streamlined. If you're running an ARCA-equipped rifle and want the most secure, repeatable interface for your Phoenix Bipod, this clamp is the upgrade that makes the whole system shine.