Armageddon Tactical Crush Washer AR15 4140 Steel Black or Stainless AR-15
New design features an interior groove to allow the washer to collapse and deliver consistent torque throughout the full range of movement. This model is machined from 4140 Steel and is shipped with a Black Oxide finish. Designed to provide 1 full turn after contact when used on barrels with ½-28 threads. Use to align your muzzle devices without applying excessive torque to the barrel threads as is common with conventional crush washers. Provided torque is approximately 20 lb-ft. Do not reuse - remove and replace.
This model is machined from 17-4 PH Stainless Steel and is shipped with a machined finish (no plating). Designed to provide 1 full turn after contact when used on barrels with ½-28 threads.