The AR-9 5.5" Slick Side Spitfire Pistol Upper is the perfect choice for building your 9mm AR pistol with enhanced performance and tactical style. This upper features a 5.5" heavy barrel made from 4150 chrome moly vanadium steel, finished in black nitride for durability and corrosion resistance. With a 1:10 twist rate, this barrel delivers excellent accuracy, and it is topped with an AR9mm Spitfire muzzle device with a blast shield to reduce flash and muzzle rise.
Constructed on a 7075-T6 billet aluminum slick side upper receiver, this assembly provides the strength and precision necessary for optimal performance. The non-LRBHO design makes it a sleek option for those looking for a clean, lightweight setup without the bolt hold open feature.
Equipped with a free-floating 4" M-LOK rail handguard, this upper allows for easy attachment of accessories, and the blowback gas system ensures reliable cycling, even during rapid fire. The hybrid AR-9 BCG made from 8620 steel and mag phosphate finish ensures smooth and consistent operation. A Mil-Spec AR-15 charging handle is included for reliable function and ease of use.
Customize your AR-9 build to suit your needs by selecting additional options on this page. Please note that this kit does not come with sights or magazines, but images show a potential complete build.
Barrel: 5.5" 9mm AR barrel, 4150 chrome moly steel, black nitride finish, 1:10 twist, 1/2-36 muzzle threads
Muzzle Device: AR9mm Spitfire muzzle with blast shield
Receiver: Slick side billet 7075-T6 aluminum, black hardcoat anodized
Gas System: Blowback for reliable cycling
Handguard: 4" free-floating slim M-LOK rail, black anodized
BCG: Hybrid AR-9, 8620 steel, mag phosphate finish
Charging Handle: Mil-Spec AR-15 charging handle included
Compatibility: Works with Glock-style and AR-15 lower receivers
Note: This upper assembly comes fully assembled and tested. Images may not represent the exact product.
Tags: ar-9, 5.5, upper 5.5", slick, side, spitfire, pistol, with, hybrid, bcg, and, charging, handle, non-lrbho