PRECISION ARMAMENT ACCUWASHER GEN 2 MUZZLE DEVICE ALIGNMENT SYSTEM The AccuWasherA(R) Gen 2 Muzzle Device Alignment System is the ultimate solution for precise and repeatable muzzle device alignment. Unlike traditional crush washers, this mono-shim system is precision lathe-turned on both faces, ensuring a certified guaranteed circular thickness uniformity of .0001" for unparalleled accuracy. FEATURES: Precision Machined Mono-Shim: Provides exact muzzle device timing with external markings for easy identification. Unmatched Strength & Durability: Made from high-strength steel, equal to or stronger than barrel steel, ensuring failsafe Mfg: Precision Armament