Tech Tip: BRN-180 Gen 3 Field Strip and Maintenance
This guide details the field stripping and maintenance of the Brownells BRN-180 Gen 3 upper receiver. It covers disassembly of the piston system, bolt carrier group, and handguard, along with cleaning procedures and reassembly. The video emphasizes proper tool usage and safety checks throughout the process, highlighting interchangeable AR-15 parts.













