Lone Wolf Thread Protector: 578 x 28, 45 Caliber
* Silver thread protector for most .45 ACP barrels.
* The Lone Wolf thread protector is manufactured from solid 303 stainless steel.
* Designed to protect your threaded barrel when an accessory is not installed.
* This thread protector is common to 45 caliber threaded barrels.
* Fits all .578 x 28 threaded barrels.