AR-10 LR .308 Barrel Thread Protector Nut for 5/8 INx24tpi Muzzle Threading, Stainless Steel. Model:: BTPR02S
Protects your Barrels fore end threading when you have to remove your AR-10's Muzzle Brake.
Fits Standard AR-10 LR .308 Barrel threading 5/8 INx24. Outer Diam: 0.915 IN
Outer width is for standard barrels, not Bull barrels. Outside textured for easy hand tightening.