Reduced recoil and increased precision. This parallel port compensation system reduces muzzle flip and felt recoil and aids in quicker second shot target acquisition. From the first shot to the last, the shooter gets improved shooting speed and minimum muzzle rise with little or no loss of velocity. The barrel has two small, elongated ports that straddle the centerline and exhaust through two vents cut into the top of the slide. Q: Will the Glock 20 barrel work in the Glock 21? A: Yes. Use a Glock 20 magazine. Q: Will the Glock 35 barrel interchange with the Glock 22? A: Yes Q: Why do Fire Dragon conversion barrels work in Glocks? A: We make the barrels to fit the slide. Example: Glock 23, 40 S&W, 357 Sig and 9 mm. are the same barrels, we chamber for each Caliber to ... Glock Firearms: Glock 24: 40 S&W; Semi-Auto, Black w/Black Plastic Grips, Long Slide & Barrel: Pic: $400: $700: Glock Firearms: Glock 24: 40 S&W; Semi-Auto, Black w/Black Plastic Grips, Night Sights, Long Slide & Barrel: Pic: $480: $780: Glock Firearms: Glock 24C: 40 S&W; Semi-Auto, Black w/Black Plastic Grips, Ported Barrel, Night Sights $350 ... Oct 26, 2016 · The pistol may be fired with the 16″ barrel installed, but it’s awkward and fairly pointless. The user then must slip the plastic cocking piece over the back of the pistol slide. At first, I tried that with a KE Arms slide only to discover that the shape of the cocking piece is specific to the straight grooves of the original Glock. Once ... Grey Ghost Precision specializes in combat firearms: AR pattern rifles in 5.56, .300blk, .308 and 6.5 Creedmoor, the Combat Pistol, as well as Glock 17, 19, and 43 and Sig P320 pistol slides.