![.223/5.56 NATO LASER BORE SIGHT .223/5.56 NATO LASER BORE SIGHT](https://cdn11.bigcommerce.com/s-cuf1f57nn2/images/stencil/300x300/products/1337/5208/Aim-Sports-Accessories-Sights-Lasers-Flashlights-PJBS223-01__85992.1524778182.jpg?c=2)
AR-15 .223 / 5.56 caliber crush washer insures proper indexing of muzzle brakes and flash hiders. (12 Pieces Per Pack)
• No gunsmithing required
• Thread flash hider / muzzle brake and torque 15-20lbs.
• Ensures proper indexing of flash hider / muzzle brake