Crush washer for 300 Blackout barrels in 5/8-24 TPI. Protect your barrel and properly align your muzzle device with an American made crush washer. Please note: don’t use a crush washer if you are using a suppressor. Instead use suppressor muzzle shims. This will ensure properly alignment of your suppressor.
- Crush washer
- Phosphate coated
- Made in USA
- Will work with 300 BLK barrels with a 5/8-24 thread pitch