ProductDescriptionV FOR VENDETTA Laser Engraving For A Unique And Striking Custom Device - Threaded to Fit 14-1 Left Hand Threads. Can be Use for 7.62x39 Calibers. - Rugged CNC Machined 6061 Aluminum to Add Weight and Balance Steadiness. - Device Can Be Used As A Display Or Fired Through : The sound is not reduced and bullet impact is not changed. - This Part Will Extend From Threads.