This WMD Guns barrel is chambered in 9mm with a 7.5-inch length and a 1:10 twist rate, finished with WMD’s proprietary Nitromet coating from WMD Guns (brand part no. 9mm7.5 1-10). WMD brings together metallurgists, chemists, gunsmiths, and plating engineers to develop and apply its own firearm coatings in-house, and the Nitromet finish on this barrel reflects that focus. At 7.5 inches, the barrel is well under the 16-inch federal minimum that applies to rifle-configured builds, so it’s meant for a pistol-caliber pistol build rather than a stocked rifle receiver without proper NFA registration.

Key Specifications

• Chambered in 9mm.
• Barreled at 7.5 inches.
• Rifled with a 1:10 twist rate.
• Finished with WMD’s proprietary Nitromet coating.

Frequently Asked Questions

Is this legal to build into a rifle-configured firearm? At 7.5 inches, this barrel is well under the 16-inch federal minimum that applies to rifles, including pistol-caliber rifles. It’s legal on a pistol-configured build (no shoulder stock) with no minimum length restriction, but installing it on a stocked, rifle-configured receiver without registering the firearm as a Short-Barreled Rifle would create an unregistered NFA firearm.

What is the Nitromet finish? WMD’s proprietary coating, applied in-house by their own metallurgists and plating engineers.

What twist rate does this barrel use? 1:10.

Buy the WMD Guns 9mm Nitromet Barrel

Build a compact 9mm pistol-caliber platform around this WMD Nitromet-coated barrel. It ships fast from our Lubbock, Texas gun shop, and our rifle barrels selection has more barrels for your build.