Faxon Firearms .223 Wylde Gunner Profile AR-15 Rifle Barrel Mid-Length 416-R Stainless QPQ Nitride 5R NP3 Extension Black 16. 223 Wylde Gunner Profile Rifle Barrel. These AR15 Barrels from Faxon Firearms are crafted with 5R hybrid rifling that results in increased velocity and easier cleaning. The extension of this Faxon Firearms .223 Wylde Gunner Profile Steel Rifle Barrel is coated in Nickle Teflon which enhances dry lubricity and corrosion resistance while also creating a tighter more secure fit. Dominate targets at any range by installing this Faxon Firearms .223 Wylde Gunner Profile Match Series Rifle Barrel. Specifications for Faxon Firearms .223 Wylde Gunner Profile AR-15 Rifle Barrel: Manufacturer: Faxon Firearms Color: Black Nitride Finish: Nitride Fabric/Material: 416R Stainless Steel Caliber: .223 Wylde Barrel Profile: Gunner Gas Block Journal Size-Diameter: .625 in Threads per Inch: 1/2x28 Barrel Twist Rate: 1-8 Barrel Material: 416R Stainless Steel Flutes: No Gun Make: AR Platform Gun Model: AR-15 Condition: New Gas Block Journal Size-Length: 1.9 in Gun Type: Rifle Features of Faxon Firearms .223 Wylde Gunner Profile Rifle Barrel: Barrel Material: 416R Stainless Steel Barrel Type: 5R Button Rifled Barrel Caliber: .223 Wylde Barrel Twist: 1:8 Barrel Profile: Gunner Inside Finish: Salt Bath Nitride Outside Finish: Salt Bath Nitride Barrel Extension: M4 - Nickel Teflon Coated Magnetic Particle Inspected Recessed 11-degree Target Crown Package Contents: Faxon Firearms .223 Wylde Gunner Profile Rifle Barrel What firearm models does the manufacturer say Faxon Firearms .223 Wylde Gunner Profile AR-15 Rifle Barrel is compatible with? The manufacturer suggests that Faxon Firearms .223 Wylde Gunner Profile AR-15 Rifle Barrel is compatible with AR-15Faxon Firearms 15BW8M16NGQ-5R-NP3: .223 Wylde Gunner Profile AR-15 Rifle Barrel Mid-Length 416-R Stainless QPQ Nitride 5R NP3 Extension Black 16