Grovtec AR-15 Rifle Barrel Thread Protector - 1/2x28 and 5/8x24 - 5/8-24 for .30 Caliber (Threads: 5/8-24 for .30 Caliber)

Grovtec AR15 Rifle Barrel Thread Protector - 1/2x28 and 5/8x24 Protect your rifle's bare threads with the Grovtec AR15 Rifle Barrel Thread Protector. If you're in-between muzzle devices or normally have a suppressor mounted on your AR15, these thread protectors are compatible for most calibers. Texture on the outside diameter gives grip for users to [...]