This LBE LR-308 Barrel Nut is just the ticket for holding your barrel on your upper for your 308 AR build. Made of hardened steel and finished with a tough-as-nails black oxide, this barrel but is made to last. Trust LBE Unlimited for all your tactical rifle needs.
Specifications and Features:
LBE Unlimited LR-308 Barrel Nut
DPMS pattern upper receivers in .308, 6.5 CM, and 7.62 NATO.