JP Enterprises EnhancedBolt Bolt Carrier Group BCG, 9mm, QPQ Finish, Standard Stroke Enhanced SCS System JPSCS2-9-5H2 - 2 Tungsten/ 3 Steel Masses, Black, JPBC-9SL-5H2

Enhanced 9mm AR Bolt, combined with a Silent Captured Spring System.

New to this revision of our JPBC-9SL and JPBC-9SL-SP bolt assemblies is last round holt open compatibility with our line of short-stroke Silent Captured Springs. This bolt assembly will provide reliable last-round lockback with any compatible receiver such as our GMR-15.

Features/Specifications:

Reduced stroke length for faster firing impulse

Designed for optimal function with JP Silent Captured Springs for a heavier operating system that reduces bolt bounce while improving reliability and accuracy

Tighter firing pin channel to reduce pin wear

High-energy tumble process offers a finer cosmetic finish

Features of JP Enterprises EnhancedBolt 9mm AR Bolt Carrier Group BCG Kit - JP Standard Silent Capture Spring

• Reduced stroke length for faster firing impulse
• Designed for optimal function with JP Silent Captured Springs for a heavier operating system that reduces bolt bounce while improving reliability and accuracy
• Tighter firing pin channel to reduce pin wear
• High-energy tumble process offers a finer cosmetic finish

Package Contents:

• JP Enterprises EnhancedBolt 9mm AR Bolt Carrier Group Kit - JP Standard Silent Capture Spring