The Backup Tactical Threaded Barrel offers enhanced functionality for your Glock 43 or 43X pistol with 1/2X28 threading and durable black nitride finish.Backup Tactical Threaded Pistol BarrelChambered in 9MM caliberDesigned to fit Glock 43/43X pistols1/2X28 threaded muzzle for suppressor or muzzle device compatibilityBlack nitride finish for corrosion resistance and durabilityPerfect for shooters looking to add a suppressor or muzzle device to their Glock 43 or 43X this threaded barrel maintains reliability while expanding your pistol's capabilities.