RCA 5.56 Black Nitride Bolt Carrier Group – M16
Noveske marked with a black nitride finish. Carrier features 8620 steel with 158 Carpenter Steel bolt and 9310 tool steel extractor and cam pin.
Much more than typical Parkerizing, phosphating or black oxide, Blacknitriding℠ is a thermal chemical diffusion of nitrogen and carbon into the surface of the steel. This process increases wear-resistance, fatigue strength, corrosion resistance, lubricity and cosmetic appeal.
Additional information
| Weight | 12 oz |
|---|---|
| Dimensions | 8 × 1 × 1 in |
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