Home / Accessories / Thread Protector for Ninox Muzzle Brake Thread Protector for Ninox Muzzle Brake$2900 Thread Protector for Ninox Muzzle Brake quantity Add to cart SKU: WT01-03-002 Categories: Accessories, Muzzle Devices Product ID: 8922 Description Description The thread protector covers the external M27x1.5 thread on the Ninox QD Muzzle Brake. The thread protector is used when there is no suppressor or blast diverter fitted to the muzzle brake. Related Products Ninox QD Blast Diverter Mod 2 $19400