Factory Ruger Mark IV, 3 Black Steel Thread Protector -Barrel Cap- for Tactical and any other .875″ diameter barrel – 1/2″ x 28 Threads *M4

Description Factory Ruger Mark IV, 3 Black Steel Thread Protector -Barrel Cap- for Tactical and any other .875″ diameter barrel – 1/2″ x 28 Threads Factory Ruger part .875″ Diameter Thread Protector “Barrel Cap” Made for Tactical and other “Bull” barrels   1/2″ x 28 Threads .875″ Diameter