H and R 635 Features The H and R 635 uses a slickside 9mm upper receiver paired with a 9mm blowback bolt carrier giving the pistol simple reliable cycling without the need for a gas system. The 10.5 lightweight 4150 chrome moly vanadium barrel wears a black nitride finish and a 1:10 twist rate suited to common 9mm bullet weights topped with a 9mm A1 birdcage muzzle device on a 1/2x28 threaded muzzle. The standard carbine-length handguard with 6 mounting holes keeps the profile slim and true to the era while still offering attachment points for accessories. A mil-spec trigger group delivers a familiar predictable pull for any AR-pattern shooter. The H&R HAR-15 adjustable pistol brace lets the shooter dial in stability while keeping the build compliant as a pistol and the A2-style grip preserves the classic manual of arms shooters expect from an AR-pattern platform. Compatibility with Colt-pattern 9mm magazines means the pistol works with widely available aftermarket magazines with ASC and Metalform units specifically recommended for reliable feeding. The black anodized finish on the receiver ties the retro aesthetic together while resisting everyday wear. Built for shooters chasing an authentic 80s SMG-style pistol this H and R 635 delivers period-correct looks with modern compliant features. H and R 635 Specifications Brand: H and R Model: 635 Type: Semi-Auto Pistol Caliber: 9mm Barrel Length: 10.5 Capacity: 32 Rounds Twist Rate: 1:10 Barrel Material: 4150 Chrome Moly Vanadium Barrel Finish: Nitride Muzzle Device: 9mm A1 Birdcage Muzzle Thread: 1/2x28 Receiver Finish: Black Anodized Upper Type: Slickside 9mm Grip: A2 Style Brace: H&R HAR-15 Adjustable Trigger: Mil-Spec Available At: GrabAGun