The CMMG MK9 Carbine Buffer Assembly is a direct-replacement buffer intended for AR-15 and M4 platforms chambered in 9mm Luger that use a carbine receiver extension. It is supplied in a black finish and fits standard AR carbine-style receiver extensions designed for 9mm conversions. This buffer is intended to restore appropriate buffer mass and cycling characteristics in compatible 9mm carbine setups.
Key Specifications
- Compatible with AR-15/M4 rifles chambered in 9mm Luger using a carbine receiver extension.
- Function: Carbine buffer assembly replacement.
- Finish: Black.
- Fit: AR rifles.
- Product Type: Buffer.
- Subcategory: Stocks & Buffer Tubes.
- Manufacturer: CMMG.
- Model: MK9.
Simple and purpose-driven, the MK9 buffer assembly provides the correct buffer mass for 9mm carbine receiver extensions, helping maintain consistent cycling in properly configured platforms. Its straightforward design makes it a practical replacement part for users running 9mm conversions on AR-15/M4 carbine setups who need a reliable, OEM-compatible buffer option.
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