Brownells BRN AR-308 Carbine Buffer

The Brownells BRN AR-308 Carbine Buffer is a drop-in replacement buffer designed specifically for AR-308 (.308 Winchester) carbine-length buffer tube systems. Built to ensure reliable cycling and proper bolt carrier group function, it is a direct-fit component for AR-platform rifles chambered in .308. An essential part for builds, upgrades, or repairs on AR-308 carbine configurations.