The Vudoo Gun Works Round Bolt Knob - Black is a premium, tactical-tier tactical upgrade designed to maximize handling efficiency and ergonomics on your precision rimfire platform. Featuring a smooth matte black finish, this component seamlessly integrates with the aesthetic lines of tactical trainer systems and competitive match rifles. It utilizes an industry-standard 5/16-24 internal thread pattern, ensuring a direct, hassle-free installation onto factory threaded bolt arms found across the Vudoo V-22 and Three 60 action footprints, as well as traditional Remington 700 style handles. The classic spherical profile establishes a natural, distinct indexing spot for the hand, aiding in fluid, rapid manipulation through fast-paced multi-target competition stages. This sleek modification optimizes operational leverage without adding excessive mass, keeping your setup streamlined, clean, and functioning at peak performance. Vudoo Gun Works Round Bolt Knob BK1004