Check the listing for details. 1 Original USGI M1 Carbine Gas Piston Nut Wrench from grease wrap needs cleaned. Condition: Used. Listed at 25.00 USD. Normal 0 false false false EN-US X-NONE X-NONE Check pictures, some wear from use but looks to be in usable shape. Absolutely must be fitted by a competent gunsmith. WARNING: Many firearm parts may require fitting to safely work in another gun. In all instances, gun parts should be installed by a competent gunsmith and tested to verify proper functioning and safety. Notice: In no event shall Miller's gun parts, employees and/or other representatives be liable for any damages of any kind, including without limitation, direct, indirect, compensatory, special, consequential, punitive, and/or incidental damages related to the products sold. All firearms parts are to be inspected and installed by a competent gunsmith. No International Sales: We do not offer export/foreign sales of any kind. all listings conform to ebay policy, buyer’s responsibility to make sure of local and state laws.