Faxon Firearms AR15 Barrel w/ Integral 3 Port Brake 16in 556 NATO Pencil Profile Black. With Faxon's Integral Muzzle Device Barrels customers will no longer be locked into a single configuration on their rifle build or be dependent on finding a capable gunsmith to pin & weld their muzzle device to their barrel. Shooters can choose from a 3 port muzzle device or slotted flash hider allowing the full assembly and disassembly of gas blocks and barrel nuts. Shooters are forever free to change their weapon's configuration. Faxon Firearms barrels are the pinnacle of value. Manufactured 100 percent in-house from cradle-to-grave these barrels are fully stress relieved air-gauge tested and 11 degree target crowned to ensure superior accuracy. Quality is imbued into our barrels from the start. We start with the best materials either certified 4150 Mil-Spec steel or 416-R Stainless. From there each barrel goes through a battery of tests at each operation until finished in Nitride and final inspected. All barrels are individually checked for headspace by precision custom hardened gauges. Barrel Material: 4150 Barrel Type: Button Rifled Barrel Caliber: 9mm SAMMI Barrel Twist: 1:10 Barrel Length: 16" Barrel Profile: Pistol Caliber Taper Muzzle Device: Integral 2 Port Muzzle Brake Barrel Gas System: Blowback Inside Finish: Nitride Outside Finish: Nitride Muzzle Thread: 1/2-28 TPI Barrel Extension: Colt & Glock Compatible Feed Ramps Weight: 1.34 lbs 11-degree Target Crown Specifications for Faxon Firearms AR-15 Barrel w/Integral 3 Port Brake: Manufacturer: Faxon Firearms Color: Black Black Nitride Finish: Nitride Fabric/Material: 4150 Steel Caliber: 9mm Luger Barrel Length: 16 in Barrel Profile: Pistol Caliber Taper Threads per Inch: 1/2x28 Barrel Twist Rate: 1-10 Barrel Material: 4150 Chrome Moly Vanadium Flutes: No Gun Make: AR Platform Gun Model: AR-15 Weight: 1.3 lb Gas System Type: Blowback Features of Faxon Firearms AR15 Barrel with Integral Muzzle Brake Barrel Material: 4150 Barrel Type: Button Rifled Barrel Caliber: 9mm SAMMI Barrel Twist: 1:10 Barrel Length: 16in Barrel Profile: Pistol Caliber Taper Muzzle Device: Integral Slim Flash Hider Barrel Gas System: Blowback Inside Finish: Nitride Outside Finish: Nitride Muzzle Thread: 1/2-28 TPI Barrel Extension: Colt & Glock Compatible Feed Ramps Weight: 1.34 lbs 11-degree Target Crown Package Contents: Faxon Firearms AR15 Barrel with Integral Muzzle Brake What firearm models does the manufacturer say Faxon Firearms AR-15 Barrel w/Integral 3 Port Brake is compatible with? The manufacturer suggests that Faxon Firearms AR-15 Barrel w/Integral 3 Port Brake is compatible with AR-15Faxon Firearms 15A910N16NLQ-IMDB: AR15 Barrel w/ Integral 3 Port Brake 16in 556 NATO Pencil Profile Black