Lone Wolf AlphaWolf Threaded Fluted Barrel for Glock 21 45 ACP – .578×28 TPI, Salt Bath Nitride (AW-2145TH)

• Threaded fluted 45 ACP barrel designed for Glock 21 pistol models
• Constructed from 416R stainless steel for durability and consistent performance
• Salt bath nitride coating enhances corrosion resistance and surface hardness
• .578x28 thread pitch supports use with compatible muzzle devices
• Drop in installation enables easy replacement without gunsmithing required
• Includes thread protector to safeguard threads during storage and use

The Lone Wolf Distributors AlphaWolf Barrel is a threaded and fluted pistol barrel designed for Glock 21 pistols. This Lone Wolf Distributors barrel is built as a .45 ACP replacement barrel for Glock platforms requiring a .578×28 threaded muzzle.

This model is the AW-2145TH and is made from 416R stainless steel with a salt bath nitride finish. It is listed as fitting all Glock 21 generations and is designed for drop-in installation. The barrel features a threaded and fluted profile with a .578×28 TPI thread pattern and includes a thread protector. It is button rifled with a three stage honed bore and is designed for use with lead, plated, or jacketed ammunition. This threaded Glock 21 barrel is suitable for range use and suppressor-ready setups where a threaded muzzle is required.