Guntec AR10 Buffer Tube Kit with Buffer and Spring
Complete mil-spec buffer tube assembly for .308 AR platforms. Includes six-position T6 aluminum tube, end plate, castle nut, short buffer, and spring. Weighs 11 oz.
Fits: AR-10
Guntec AR10 Buffer Tube Assembly
This is a complete, mil-spec buffer tube kit designed specifically for .308 caliber AR-pattern rifles. It provides everything needed for a proper receiver extension installation.
What's Included
- Six-position buffer tube (T6 aluminum construction)
- End plate
- Castle nut
- .308 CAR short buffer
- Recoil spring
Key Features
Mil-Spec Compatibility — Engineered to mil-spec standards for reliable function and durability across quality .308 AR builds.
Six-Position Adjustment — Allows shooters to dial in the optimal length of pull for their shooting style and body geometry.
Lightweight Design — At 11 ounces, the T6 aluminum construction keeps weight minimal without sacrificing strength.
Complete Solution — No need to source components separately; everything required for installation is included.
Ideal For
Builders and shooters upgrading or assembling .308 AR-10 rifles who want a dependable, no-compromise buffer system. Whether you're fine-tuning recoil management or completing a new build, this kit delivers straightforward, proven performance.
