The Lone Wolf Thread Protector .578 x 28 is manufactured from 303 stainless steel with a black oxide finish, providing durable protection for your threaded barrel. Designed to protect your threaded barrel when an accessory is not installed, this thread protector is common to .45 caliber threaded barrels. It fits all .578 x 28 threaded barrels, making it an essential accessory for shooters with Glock conversion barrels, suppressor-ready barrels, and other aftermarket .45 ACP firearms featuring standard thread patterns.
this protective cap keeps contamination and damage away from your barrel’s critical threads. The solid stainless steel construction ensures long-lasting reliability, while the black oxide finish resists corrosion and blends smoothly with modern tactical setups. A simple yet essential addition to any threaded barrel setup.





