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A metallic AR-15 bolt carrier group component with gear-like teeth on one end and a cylindrical shaft on the other, set against a white background.
A close-up photo of a metallic bolt carrier assembly for a firearm, showing its machined details, cylindrical shape, and locking lugs on a white background.

NiB-X® Bolt Assembly

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Price range: $79.69 through $102.69

Made In USA Icon - Round icon in red, white, and blue that looks like united States flag
SKU: NIBXBA556 Categories: ,

Description

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.

  • Case hardened 9310, shot peened, magnetic particle inspected, with high-performance extractor, ejector springs, gas rings and special O-ring buffer.
  • NiB-X® coated bolt and extractor

Additional information

Caliber .223/5.56, .224 Valkyrie, .450BM, .458 SOCOM, 6.5 Grendel Type II, 6.8 SPC, 7.62 x 39mm

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