WMD Guns Barrel Features The WMD Guns Barrel is turned to a medium profile and finished in WMD s black nitride coating a process developed in house by the company s team of metallurgists chemists and plating engineers to improve wear resistance and reduce friction in the bore. At 5.5 inches this 9mm barrel suits pistol caliber carbine and short-barreled builds where a compact overall length matters without giving up practical accuracy. The 1 in 10 inch twist rate is tuned to stabilize common 9mm bullet weights giving the shooter dependable accuracy across a range of factory loads. A 0.750 inch gas port size is calibrated to keep a gas-operated 9mm build cycling reliably without being overgassed. Threaded 1/2x28 at the muzzle the barrel accepts standard 9mm muzzle devices compensators and suppressor mounts without modification. WMD Guns produces and plates its barrels and components in house combining metallurgy and coating expertise built around firearm durability rather than outsourcing the finishing process. Many of the company s offerings including barrels like this one are made to order reflecting a smaller-batch approach to quality control. The WMD Guns Barrel is a solid option for sale at GrabAGun for shooters seeking a coated medium profile 9mm barrel from a company built around in-house finishing expertise. WMD Guns Barrel Specifications Manufacturer: WMD Guns Model: Barrel Caliber: 9mm Barrel Length: 5.5 Twist Rate: 1:10 Gas Port Size: 0.750 Thread Pitch: 1/2x28 Finish: Black Nitride Color: Black Available At: GrabAGun