F Wilson Combat Match Grade Threaded Barrel, Glock 17 Gen 3/4, 9mm Luger, 4.49 in, 1-16 Twist, 1/2x28 Threaded, 977 $259.95 977 show more like this Dvor F Wilson Combat Match Grade Threaded Barrel, Glock 17 Gen 3/4, 9mm Luger, 4.49 in, 1-16 Twist, 1/2x28 Threaded, 977 $259.95 977 show more like this Free Shipping on most orders over $49 Optics Planet