Faxon 4.5" Tapered 9mm Pistol Caliber Carbine 4150 QPQ Nitride Barrel - 15A910N4NLQ

Faxon Firearms barrels are the pinnacle of value. Manufactured 100% 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: 4.5 Barrel Profile: Pistol Caliber Taper Barrel Gas System: N/A - Blowback Inside Finish: QPQ Nitride Outside Finish: QPQ Nitride Muzzle Thread: 1/2-28 TPI (Threads Per Inch) Gas Block Diameter: N/A Gas Port Diameter: N/A Gas Block Journal Length: N/A Barrel Extension: Colt & Glock Compatible Feed Ramps Weight: .53 lbs 11-degree Target CrownNote - Faxon Firearms advertises its barrels by their legal length. Pistol Caliber Carbine barrels have the chamber built into the barrel extension area, which makes them about ~1 shorter than centerfire rifle barrels.