WMD's Bolt Assembly-Optimized for performance. The bolt was engineered for NiB-X nickel boron coating to provide long life, ease of cleaning and superior locking and unlocking action with barrel extensions.
Specifications
| Features | Case Hardened 9310, Shot Peened, Magnetic Particle Inspected; High Performance Extractor, Ejector Springs, and Gas Rings; Special O-Ring Buffer; NiB-X Coated Bolt and Extractor |
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