Grovtec US Inc GTHM320 Crush Washer 308 Cal Black Nitride Steel 5/8"-24 tpi Rifle 5 Per Pack These Crush washers Are Designed To Be installed To Secure Muzzle devices. They Have a Premium Black Nitride Finish And Are Made Of High Quality Steel. Model: Crush Washer Material: Steel Thread Pattern: 5/8"-24 tpi
Manufacturer: Grovtec US Inc Mfg Number: GTHM320 Model: Crush Washer