Upgrade your AR-15 build with the reliable Aero Precision AR-15 Mil-Spec Carbine Receiver Extension / Buffer Tube in Black Anodized finish. Crafted for precision and durability, this essential component ensures smooth operation and compatibility with a wide range of stocks, making it a must-have for enthusiasts seeking mil-spec performance without compromise.
Key Features
- Mil-Spec Dimensions: Precisely machined to military specifications for seamless integration with standard AR-15 components, preventing compatibility issues common in mismatched builds.
- 7075-T6 Aluminum Construction: Lightweight yet robust material provides superior strength-to-weight ratio, reducing overall rifle weight while maintaining structural integrity under recoil.
- 6-Position Adjustability: Allows for customizable length of pull, enhancing ergonomics and shooter comfort during extended sessions or dynamic maneuvers.
- Black Anodized Finish: Hard-coat anodizing offers corrosion resistance and a sleek, professional look that withstands harsh environments and frequent handling.
- Made in the USA: Backed by Aero Precision’s commitment to quality craftsmanship, ensuring reliability for tactical, competition, or recreational use.
Specifications
- Material: 7075-T6 Aluminum
- Finish: Type III Hardcoat Anodized Black
- Weight: 3.1 oz
- Length: 7.25 inches (standard carbine)
- Positions: 6
- Compatibility: AR-15 Mil-Spec carbine stocks and buffers
Why Choose This Product
The Aero Precision Mil-Spec Buffer Tube addresses common pain points in AR-15 assembly, such as loose fits or premature wear from inferior materials. Its precise threading and smooth interior promote reliable cycling, minimizing malfunctions and extending the life of your recoil system. Ideal for builders prioritizing accuracy and longevity, this tube delivers enhanced stability that translates to better control and faster follow-up shots. Whether you’re completing a custom rifle or upgrading an existing one, it offers the dependable foundation your build deserves.
Ready to elevate your AR-15’s performance? Add the Aero Precision AR-15 Mil-Spec Carbine Receiver Extension / Buffer Tube to your cart today and experience the difference quality makes in every round fired.
Frequently Asked Questions
What is the difference between Mil-Spec and Commercial buffer tubes?
Mil-Spec tubes have a smaller outer diameter of 1.14 inches, allowing compatibility with a broader range of aftermarket stocks designed for military-grade fits. Commercial tubes are slightly larger at 1.17 inches and may limit stock options.
Is this buffer tube compatible with my AR-15 stock?
Yes, as a Mil-Spec carbine tube, it works with most adjustable AR-15 stocks that specify Mil-Spec compatibility, ensuring a secure and wobble-free installation.
How do I install the buffer tube on my lower receiver?
Installation involves torquing the castle nut to 38-42 ft-lbs after securing the tube. Use thread locker on the buffer retainer pin for added security, and always verify alignment to avoid cycling issues.


