Description
This product is a Durkin Tactical Premium 5.56 Nickel Boron BCG (bolt carrier group). This BCG is an eye catching addition to your Durkin Tactical AR build. This BCG has Mil-spec dimensions and coating to ensure the highest quality and correct component interface.
PRODUCT SPECS:
- .223/5.56 NATO
- Nickel Boron finish
- M16 cut
- 9310 steel carrier
- Carpenter 158 steel bolt
- 4140 steel extractor
- MIL-SPEC O-ring
- MIL-SPEC gas rings
- 4140 steel cam pin
- 8740 steel firing pin with hard chrome finish
- Magnetic particle inspected
Proudly made in the U.S.A.
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