Shadow Systems DR920/MR920L Full-Size Threaded Spiral Fluted Match Barrel (9mm Luger) with Harrington Arms Compensator
This Shadow Systems match barrel is a full-size, threaded, spiral-fluted 9mm Luger barrel built for the DR920/MR920L platform (Glock 17 pattern). It features a black nitride finish, conventional rifling, and a fully supported chamber.
Rifling is broach cut with a 1:10 twist rate, and the barrel is designed for use with hot +P ammo and lead or moly coated lead bullets. A Harrington Arms compensator is installed on the muzzle.