heat-treated stress-proof Carbon Steel Cone:
For use on standard length barrels. Thread-Pitch: 575 x 40
Cone Diameter: .708
They also require a reverse plug because there is no bushing to hold the recoil spring plug.
EGW recommends installation by a competent gunsmith. We are unable to ship this item outside of the United States. If this item is purchased as part of an international order, the item will be removed from the order. The account will be refunded for the item, and the remainder of the order will ship.
Warning: This product may be alloyed with trace amounts of lead and other elements which are known to the State of California to cause reproductive harm and cancer. To prevent exposure, do not alter the product by welding, grinding, etc.
For more information, go to www.P65Warnings.ca.gov.