1/2″x28 AccuWasher® Gen 2 Muzzle Device Alignment System (Shim Kit)

For 1/2″x28 threaded barrels (majority of .223/5.56mm,9mm and 22lr barrels).  We found these AccuWasher shim kits to be very convenient to use.  Although crush washers get the job done, a proper shim kit is the best way to mount a muzzle device.  Outer diameter of .725″

Here is the description from Precision Armament:

• 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 strength.
• No Shear-Slip or Yielding: With its monolithic construction and significant thickness, AccuWasher shims resist deformation under heavy impact or bending loads.
• Maintains Accuracy & Safety: Eliminates alignment issues caused by traditional shims, preventing accuracy loss even under rough handling.
• Reliable for Suppressors & Muzzle Brakes: Provides the highest insurance against misalignment due to bumps, drops, or impacts.
• Fast, Intuitive Installation: External markings make it the easiest and most precise alignment system on the market.

Note: The AccuWasher Alignment System can be used with any brand muzzle device.