Walther PDP Barrel Features The Walther Arms PDP Barrel brings polygonal rifling to a 5.1 inch length a rifling style that reduces friction and fouling compared to traditional land-and-groove barrels while helping maintain bullet velocity and accuracy. Designed specifically as an upgrade for PDP 4.5 inch models this barrel extends sight radius for more precise aiming and gives the pistol a longer more stable platform. The threaded muzzle allows shooters to mount a compensator or suppressor expanding the pistol s versatility for competition or suppressed shooting. A specialized spring kit is included with the barrel to ensure the slide and recoil system continue to function smoothly after the swap. Chambered in 9mm Luger the barrel matches the chambering of the host PDP pistol while adding length and thread capability the factory barrel does not offer. Upgrading to a longer threaded barrel is a popular modification for PDP owners looking to improve practical accuracy or add a suppressor to their setup. Because the kit includes the spring needed for reliable cycling installation does not require sourcing additional parts separately. For Walther PDP owners seeking more capability from their pistol this 5.1 inch threaded barrel offers a straightforward path to a longer more versatile handgun. Walther PDP Barrel Specifications Manufacturer: Walther Arms Model: PDP Barrel Caliber: 9mm Barrel Length: 5.1 Thread Pattern: 1/2x28 Barrel Description: Threaded Compatible Hosts: Walther PDP 4.5 Available At: GrabAGun