BATTLE ARMS ONE:1 Barrel -fits Glk19 G3,4,5 /19X 9mm TB/Fluted

Fortis Match Grade Barrel for Glock 9mm 4.5" Threaded for Glock 19/x - FMG19TBTiN

Backup Tactical Backup G19 FDE Threaded Barrel

Fortis Manufacturing, Inc. Match Grade Barrel, For Glock, 9MM, 4.5", Threaded, Fits Glock 19 Gen 1-5 and 19X, Black Nitride Finish FM-G19-TB-BLK

Fortis Manufacturing, Inc. Match Grade Barrel, For Glock, 9MM, 4.5", Threaded, Fits Glock 19 Gen 1-5 and 19X, Gold TiN Finish FM-G19-TB-TiN

Griffin Armament ATM, Fits Glock 19 Gen 5, 9MM, 4.5" Threaded Stainless Steel Barrel, Black Nitride Finish, 1/2X28 Threads, Includes Micro Carry Comp GAG19G5TB

ZAFFIRI PRECISION Pistol Barrel 9mm 4.02" Black for Glock 19 Gen 1-4

LONE WOLF Dusk19 9mm 4.6in Threaded Barrel for Glock 19 (LWD-Dk-19TH-Blk)