The AR-10 .308 Carbine Buffer Tube Kit from Moriarti Arms is designed to seamlessly convert your AR-15 buttstock to operate reliably with an AR-10 .308 platform. Featuring a Mil-Spec six-position buffer tube, this complete set includes a .308 short buffer, .308 carbine recoil spring, castle nut, and end plate—all constructed from durable T6 aluminum and 100% Made in the USA.
Whether you're building a new AR-10 from the ground up or upgrading an existing setup, this kit ensures smooth cycling and compatibility with your .308 rifle's requirements. Perfect for any AR-10 carbine-style build.
Designed for AR-10 .308 caliber platforms
Mil-Spec 6-position buffer tube for adjustable stock compatibility
Includes .308 short buffer (3.8 oz) for correct cycling
.308 carbine recoil spring included
T6 aluminum construction for strength and lightweight performance
Includes castle nut and end plate
100% American Made
Buffer Tube Type: Mil-Spec, 6-position
Buffer Weight: 3.8 oz (.308 short carbine buffer)
Material: T6 Aluminum
Includes: Buffer tube, buffer, spring, end plate, castle nut
Compatibility: AR-10 / .308 Caliber Carbines
Made in: USA
Pair this kit with the Moriarti AR-10 .308 MOE Stock Kit for a complete rear-end upgrade solution.
Tags: ar-10, .308, carbine, buffer, tube, kit, –, mil-spec, , 6-position, , complete, short, spring, moriarti, arms