|Custom replacement bolt for the Brass Eagle Avenger, Avenger II, Triad, Triton II, Afterburner and other Viewloader, JT Paintball and Brass Eagle top cocking guns that use a bolt with NONREMOVABLE pin. Constructed of self-lubricating high grade white Delrin which features a 7-hole flat face which provides true 'venturi' action. Venturi bolts reduces ball breakage and increases distance and accuracy by providing a softer, more dispersed air blast behind the paintball. Comes complete with o-rings and bolt pin installed. NOTE: the bolt pin is NOT removable so you'll never lose it!