KST M16 NITRIDE BOLT CARRIER GROUP
Featuring
- M16 Profile for 5.56/.223/300BLK
- 9310 Shot-Peened & MPI Bolt
- Billet Extractor w/Crane (NAVSPECWAR) O-Ring & Spring
- Friction Points Reduced While Maintaining Stability
- Sand Cuts on Carrier Rail
- Firing Pin Retainer Slot for Easy Disassembly
- Mil-Spec Staked Gas Key
- H&M Black Nitride Finish Throughout Assembly
- Made in the USA
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