LONE WOLF Alphawolf GLock 21L 45ACP 6.61" Threaded Barrel

BALLISTIC ADVANTAGE Premium Series 9mm 5" Sprial Threaded Barrel Fits Glock 17 G5 | PVD Gold

Rival Arms 9mm Drop-in Threaded Barrel for Glock 17 Pistol, Black PVD - RA20G102A

IVER JOHNSON 1911 45ACP 5.75" .578x28 Threaded Barrel | Black

BALLISTIC ADVANTAGE Premium Series 9mm 4.5" Bomber Fluting Threaded Barrel Fits Glock 19 G3-5 | Gold

Glock Factory for Glock 21 Threaded Barrel 45 ACP 5" Matte Black

Lone Wolf Distributors AlphaWolf Barrel, 9MM, Salt Bath Nitride Coated, Threaded/Fluted, 416R Stainless Steel, 1/2x28 TPI, For Glock 17, Includes Thread Protector, Made in the USA AW-17TH

Tyrant Designs Non-Threaded Barrel for Gen 1-5 Glock 19, 19X, 45 - BLK