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Available for download within 24 hours
Bolt assembly for the MF-50S and MF-50M upper receivers. Includes the proprietary Mechanically Assisted Pin Safety (MAPS) as well as the hammer drop safety. Comes as a complete assembly including the bolt handle.
***PLEASE NOTE: This includes the required head spacing adjustment and verification at the McCutchen Firearms factory. Buyer will be responsible for shipping to the McCutchen Firearms factory.