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

JP Enterprises EnhancedBolt 9mm AR Bolt Carrier Group (BCG) Kit - JP Standard Silent Capture Spring\n\nOverview\n- Enhanced 9mm bolt carrier group with Silent Captured Spring System for a heavier, more reliable bolt operating system.\n- Reduced stroke length for a faster firing impulse.\n- Designed to function with JP Silent Captured Springs to reduce bolt bounce, improving reliability and accuracy.\n- Tight firing pin channel to reduce pin wear and extend life.\n- High-energy tumble finish offers a finer cosmetic finish.\n- Last-round hold open compatibility with short-stroke Silent Captured Springs.\n- Compatible with JP Silent Captured Spring in receivers such as GMR-15.\n- Includes JP Standard Silent Capture Spring kit and necessary mass components.\n\nSpecifications\n- Manufacturer: JP Enterprises\n- Fabric/Material: 416R Stainless Steel\n- Caliber: 9mm Luger\n- Included Accessories: 3 x Steel Masses, 2 x Tungsten Masses\n- Condition: New\n\nFinish and finishes available\n- Black finish with QPQ coating (QPQ Corrosion Resistant)\n- Silver finish with Polished Stainless coating (SP5H2)\n\nPackage Contents: JP Enterprises EnhancedBolt 9mm AR Bolt Carrier Group Kit - JP Standard Silent Capture Spring