WMD NIB-X BOLT ASSEMBLY 556
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We don’t know when or if this item will be back in stock.WMD's 5.56 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.
- 5.56 NATO/223 Remington
- NiB-X Coating
- Case Hardened 9310
- Magnetic Particle Inspected
- High-Performance Extractor