CMMG Stainless Steel Buffer Assembly for AR15 - Model 55CA9A7

The CMMG Stainless Steel Buffer Assembly for AR15 is a mil-spec compatible buffer engineered for reliability in your AR platform. Built from stainless steel, this buffer assembly works with any standard mil-spec AR15 action spring and A1 buffer tube, making it a drop-in upgrade or replacement part for AR15 builds and upgrades. Whether you're assembling a new rifle, refreshing a shooter that's seen some rounds, or keeping spare parts on hand, this assembly meets or exceeds military specifications for consistent performance across a wide range of ammunition and shooting conditions.

Stainless steel construction resists corrosion and extends the life of your buffer assembly, particularly if your rifle sees regular use in variable weather or humid environments. The assembly integrates seamlessly into any mil-spec lower receiver setup, so compatibility is straightforward—no gunsmithing required. This is one of those foundational AR parts that doesn't draw attention but makes a real difference in how your rifle cycles and performs.

CMMG's reputation in the AR community is built on delivering functional, no-nonsense components at honest prices. This buffer assembly reflects that philosophy: a straightforward part that does its job without complications or surprises.

Key Features

• Stainless steel construction for durability and corrosion resistance
• Mil-spec compatible with standard AR15 action springs and A1 buffer tubes
• Meets or exceeds military specifications
• Direct drop-in fit for mil-spec AR15 platforms

Specifications

Frequently Asked Questions

Will this buffer assembly work with my AR15?

Yes, if your rifle is mil-spec with an A1 buffer tube and uses a standard mil-spec action spring, this CMMG buffer assembly is a direct fit.

What's the difference between stainless steel and standard buffer assemblies?

Stainless steel resists corrosion better than parkerized or standard finishes, which is especially valuable in wet climates or if your rifle sits in storage for extended periods.

Is this a complete buffer assembly or just the buffer weight?

This is a complete buffer assembly designed to work with your existing mil-spec action spring and buffer tube.