This Lone Wolf Distributors Thread Protector is cut to the .578×28 thread pattern used on Glock 21 pattern threaded barrels, the larger pitch common to .45 ACP threaded muzzles. It threads on to cap an exposed .45-caliber muzzle when no suppressor or compensator is mounted, protecting the threads from dings and debris.

Key Specifications

• .578×28 thread pattern matches the pitch used on Glock 21 pattern .45 ACP threaded barrels.
• single-unit packaging ships as one protector ready to install.

Frequently Asked Questions

What thread pattern is this? It is cut for the .578×28 pattern used on Glock 21 pattern .45 ACP threaded barrels.

Why would I need this? It caps and protects an exposed threaded muzzle whenever a suppressor or compensator is not mounted.

Buy the Lone Wolf .578×28 Thread Protector

Protect a .45-caliber threaded muzzle from debris and damage between suppressor sessions. Browse more of our handgun parts selection and order from our Lubbock, Texas gun shop for fast shipping.