Brownells AR-15 Rifle Receiver Extension & Buffer Kit A1 Style

The Brownells AR-15 Rifle Receiver Extension & Buffer Kit provides everything needed to complete or replace the buffer tube assembly on an AR-15 rifle. Configured in the A1 style, this kit includes the receiver extension (buffer tube) and buffer components essential for reliable cycling. Designed for standard AR-15 platforms, it offers a straightforward solution for builders and gunsmiths looking to assemble or restore a rifle stock assembly.