Product Description
The CMMG Receiver Extension (carbine buffer tube) is designed for MK4 and M4-style AR-platform builds, providing the correct interface for compatible collapsible stocks and proper buffer system alignment. Finished in black, this receiver extension is a dependable replacement or upgrade for completing a lower receiver build or refreshing worn components.
Product Highlights
- CMMG receiver extension (buffer tube) for MK4 and M4 carbine-style AR-platform applications
- Black finish to match common AR builds and lower receiver components
- Ideal for completing a lower receiver build or replacing a worn receiver extension
- Designed to support use with compatible carbine buffer and spring systems
- Genuine CMMG part for consistent fit and function
Specs
- Brand: CMMG
- Manufacturer Part Number: 55CA9D7
- UPC: 816422020676
- Type: Receiver Extension (Buffer Tube)
- Compatibility: MK4; M4 carbine-style AR-platform
- Color: Black
- Weight: 0.5 lb
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