J P Enterprises JP Enhanced 9mm AR Bolt for 9mm AR-15 SCS compatibility

The J P Enterprises JP Enhanced 9mm AR Bolt is machined to the same exacting tolerances as our bolt carriers and represents a second generation design that eliminates the need for a central mass while remaining fully compatible with our JP Silent Captured Spring for 9mm operation. When paired with the JPSCS-9MM, this bolt assembly forms the heaviest, most reliable 9mm operating system available, dramatically reducing bolt bounce and boosting accuracy without sacrificing bolt weight. This .9 oz h