Catalyst Arms Hammerhead Bolt Knob Black

The Catalyst Arms Hammerhead Bolt Know is another precision rifle game changer. The large, oversized solid aluminum knob is designed to provide a secure grip on the bolt handle in any and all conditions. Features a contoured "waist" for pushing bolt knob up with your trigger finger. Fits Bolt Handles with 5/16" x 24 threads, including the Ruger Precision Rifle.