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.
This video review focuses on Palmetto State Armory's (PSA) AR-15 pistol upper receivers, highlighting their appeal for compact AR-15 builds without requiring NFA tax stamps. The content explores pairing these uppers with pistol lower receivers and legal pistol braces to achieve a sub-16-inch barreled AR-15. The review specifically examines PSA's 8.5" and 10.5" pistol uppers, evaluating aspects like fit, feel, finish, shootability, and accuracy. The video aims to inform viewers considering a compact AR-15 build and provides a link to a comprehensive buyer's guide and a review of pistol braces.
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