CMMG AR Carbine Buffer Assembly - Black, Model 38CA929
The CMMG AR Carbine Buffer Assembly (Model 38CA929) is a drop-in replacement buffer tube system built for shooters who want a proven, straightforward upgrade or maintenance component for their AR platform rifle. Whether you're assembling a new build, servicing an existing carbine, or looking for a reliable spare, this buffer assembly handles the job without complications. CMMG's reputation for quality AR parts means you get a component engineered to work hard and last.
Buffer assemblies are a core part of your AR's recoil management system, and a quality unit keeps your action running smoothly and predictably. This carbine-length option is designed for standard AR-15 carbine platform rifles, making it a direct fit for thousands of builds and configurations in the field. The black finish matches modern tactical aesthetics and resists corrosion in field conditions.
CMMG backs this component with the build quality you'd expect from a manufacturer that understands how AR owners actually use their rifles—from the range to the field. If you're replacing a worn buffer, building out a new carbine, or keeping a spare on hand, this assembly is a no-fuss choice.
Key Features
- Direct-fit carbine buffer assembly for standard AR-15 carbine platform rifles
- Black finish for corrosion resistance and modern appearance
- CMMG engineering and quality standards
- Drop-in design for straightforward installation or replacement
Specifications
| Brand | CMMG |
| Model | 38CA929 |
| Product Type | AR Carbine Buffer Assembly |
| Finish | Black |
| Platform | AR-15 Carbine |
Frequently Asked Questions
What AR rifles does this buffer assembly fit?
This is a carbine buffer assembly designed for standard AR-15 carbine platform rifles. Verify your rifle's specifications before purchasing to ensure compatibility.
Is this a complete replacement or an upgrade?
This is a drop-in buffer assembly suitable for replacement, maintenance, or as a spare component for AR carbine builds and existing rifles.
What's included?
The package contains the CMMG AR Carbine Buffer Assembly, Model 38CA929. Check the product packaging or contact us if you have questions about included components.

