Brownells BRN-180™ Upper Receiver Detailed Overview
This guide details the disassembly and reassembly of the Brownells BRN-180 upper receiver, based on expert insights from Brownells and PWS engineers. It covers the removal and reinstallation of the self-contained recoil system and bolt carrier, highlighting the modernized AR-180 design. The process emphasizes the tool-less removal of the handguard and the integrated buffer system.












