Siamese Mauser Bolt, available in original or opened up for 45-70. These came from a gunsmiths estate used.

This is a used part in good condition. All used parts have been sorted to remove any damaged parts. However, they may have tarnish, pitting, or worn finish, or exhibit wear. Not all Mauser parts are interchangeable, if you are not confident in changing these parts, please contact your local gunsmith!