Add to Cart Compare Quick view 13/16-16 Knurled Muzzle Brake Thread Protector (Fits Infinite Muzzle Brake) MSRP: Now: $15.00 Was: For those who own an Infinite Premium Muzzle Device, cover your external 13/16"-16 threads with this premium thread protector! Designed specifically for the Muzzle Device, this will protect your order threads for years to come! LIFETIME... MSRP: Now: $15.00 Was: Add to Cart Compare Quick view Qty in Cart: 0 Quantity: Decrease Quantity: Increase Quantity: Price: MSRP: Now: $15.00 Was: Subtotal: Add to Cart