Advanced Technology AR-15 Military Buffer Tube Assembly - Model A5102240

The Advanced Technology AR-15 Military Buffer Tube Assembly delivers mil-spec performance for shooters building or upgrading AR-15 platforms. This complete buffer tube system is engineered for durability and reliability, giving you a proven foundation for your rifle's recoil management. Whether you're assembling a new build, replacing worn components, or refreshing an existing AR, this military-grade assembly handles the job without compromise.

Built from 6061 T6 aluminum with Military Type III hard-coat anodizing, this buffer tube is designed to survive serious use. The assembly comes complete—you get the tube itself, a steel military-grade E-coated castle nut and locking ring, plus the AR-15 recoil plug and buffer spring needed for installation. That means fewer trips to source individual components and confidence that everything is spec-matched and ready to work together.

This AR-15 buffer tube assembly fits most AR-15 and AR variant platforms, making it a go-to choice for standard builds. Note that it is not compatible with .308 rifles or other large-frame platforms. Made in the USA, this mil-spec buffer tube reflects the durability standards that professional shooters and serious enthusiasts expect.

Key Features

• Military-spec design fits most AR-15 and AR variants
• 6061 T6 aluminum tube with Military Type III hard-coat anodizing for maximum durability
• Includes steel military-grade E-coated castle nut and locking ring
• Complete system: comes with AR-15 recoil plug and buffer spring
• Made in the USA

Specifications

Frequently Asked Questions

Will this AR-15 buffer tube assembly fit my rifle platform?

This assembly fits most AR-15 and AR variant platforms. It is not compatible with .308 rifles or other large-frame systems. If you're building a standard AR-15, this mil-spec tube will work. For precision about your specific platform, verify compatibility with your build plan.

What comes in the box with this buffer tube assembly?

You get the military-spec buffer tube itself, a steel military-grade E-coated castle nut and locking ring, an AR-15 recoil plug, and a buffer spring. It's a complete system—no need to source additional small parts separately.

How durable is the Advanced Technology military buffer tube?

The tube is constructed from 6061 T6 aluminum with Military Type III hard-coat anodizing, a finish designed for extreme durability and corrosion resistance. This mil-spec construction is built to handle extended use and harsh conditions.

Is this buffer tube made in the USA?

Yes, the Advanced Technology AR-15 Military Buffer Tube Assembly is made in the USA.