Product Description
The CMMG Mk3 bolt carrier group is a complete .308 Winchester/7.62x51mm NATO BCG engineered for Mk3/DPMS-pattern large-frame rifles. Built with durable steel components and finished in black phosphate, it features a chrome-lined carrier to support smooth cycling and long-term wear resistance in hard-use range or duty setups.
Product Highlights
- Complete Mk3 / DPMS-pattern .308 bolt carrier group assembly for large-frame AR platforms
- Black phosphate exterior finish for corrosion resistance and reduced glare
- Chrome-lined carrier to enhance durability and ease of cleaning
- 8620 steel carrier with 9310 steel bolt and S7 tool steel extractor (per published specs)
- Designed for .308 Winchester / 7.62x51mm NATO rifles such as the CMMG Mk3
Specs
- Brand: CMMG
- Manufacturer Part Number: 38BA423
- UPC: 815835012483
- Caliber/Chamber Compatibility: .308 Winchester / 7.62x51mm NATO
- Platform Compatibility: CMMG Mk3; DPMS-pattern large-frame (AR-10/LR-308 pattern)
- Finish: Phosphate (Black)
- Carrier: 8620 steel, chrome-lined
- Bolt: 9310 steel
- Extractor: S7 tool steel
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