The CMC Enhanced BCG 6mm ARC Nitrided Black is a precision-engineered bolt carrier group designed for AR-15-style rifles chambered in 6mm ARC. Combining durable steel construction with CMC’s enhanced design, it supports dependable cycling for custom builds and upgrades. Its black nitride finish adds a sleek appearance while helping resist wear and corrosion during regular use.
Built for shooters seeking reliable function and lasting performance, this 6mm ARC bolt carrier group is designed to operate smoothly across a range of shooting environments. The nitrided surface helps reduce friction and retain lubrication, while the enhanced components support consistent cycling. Whether you’re assembling a new rifle or refreshing a compatible setup, CMC precision engineering brings robust construction and thoughtful details to your build.
- Designed specifically for rifles chambered in 6mm ARC.
- Black nitride finish helps provide wear resistance and corrosion protection.
- Enhanced design supports smooth cycling and dependable rifle function.
- Durable steel construction is made for long-term use in demanding conditions.
- Full-auto rated and compatible with semi-auto and full-auto AR-style rifles.
- Properly staked gas key supports secure, leak-resistant operation.
- Complete assembly includes bolt, carrier, cam pin, firing pin, and retaining pin.
- Designed for compatibility with AR-15-style platforms and 6mm ARC barrel systems.
Choose the CMC Enhanced BCG 6mm ARC Nitrided Black for a durable, precision-focused component in your compatible rifle build. Add CMC reliability and a wear-resistant finish to your 6mm ARC setup with this complete bolt carrier group.
