


Product Description
The CMMG MK9 AR-15 9mm Carbine Buffer Assembly is a replacement buffer designed for AR-15/M4-pattern firearms chambered in 9mm Luger that use a carbine-length receiver extension (buffer tube). It helps maintain reliable cycling in 9mm builds and is ideal for replacing worn components or completing a 9mm carbine buffer setup in a standard carbine tube.
Product Highlights
- Designed for AR-15/M4-pattern 9mm Luger builds using a carbine receiver extension
- Direct replacement buffer assembly for CMMG MK9 and similar 9mm AR variants
- Built for dependable function in standard AR-15 carbine tubes when paired with the correct spring
- Ideal for maintenance, repairs, or upgrading existing 9mm carbine buffer components
- Manufactured by CMMG for consistent fit and compatibility
Specs
- Brand: CMMG
- Manufacturer Part Number: 90CA9B4
- UPC: 815835013503
- Type: Carbine buffer assembly (9mm)
- Compatibility: AR-15 / M4-pattern firearms chambered in 9mm Luger using a carbine receiver extension
- Weight: 5 oz
- Country of Origin: United States of America
- Color: Black
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