This video provides a detailed, tool-free guide to disassembling, cleaning, lubricating, and reassembling the Brownells BRN-9 upper receiver. It covers identifying parts, performing routine maintenance, and offers a recommendation for replacing the recoil spring and buffer every 5,000 rounds. The tutorial emphasizes a step-by-step process for easy understanding and application, ensuring users can keep their BRN-9 PCC running reliably.
This video provides a detailed product spotlight on the Brownells BRN-9 upper receiver, aimed at AR-15 pistol and pistol-caliber AR enthusiasts. It highlights the 9mm Luger chambering, compatibility with various AR-15 and BRN-180 lower receivers (including magwell adapters for Glock, Colt SMG, CZ Scorpion, MP5, and SIG P320 magazines), and its blowback-operated system that eliminates the need for a buffer tube. The review emphasizes the non-reciprocating, ambidextrous charging handle, the 5.5" Nitride-coated barrel with 1/2"-28 tpi threads, and the billet aluminum construction. It also addresses the important safety caution regarding muzzle device compatibility with different calibers.
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