M10/45 barrel for both machine gun and semiauto firearms. Chambered for .45 ACP ammunition. Barrel threaded 7/8x9 TPI for suppressor and accessory attachment. Blued finish.
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PROP 65 WARNING: This product can expose you to chemicals including lead, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.