The Armageddon Tactical 1/2 Inch Crush Washer For 1/2 x 28 Threaded AR15 Barrels features an interior groove to allow the washer to collapse and deliver consistent torque throughout the full range of movement. 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 1/2-28 threads. Use to align your muzzle devices without applying excessive torque to the barrel threads as is common with conventional crush washers. Manufacturer recommended torque is approximately 15 lb-ft. Do not reuse. Remove and replace after use. Crush washers install with the angled side against the barrel and the flat side against the muzzle device.
For complete and current information on this item please see the manufacturer's website.
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California residents: this product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information visit https://www.p65warnings.ca.gov.