AC Match grade stainless steel replacement pins for trigger and hammer. These pins are designed to tighten up worn receivers or to be installed in new receivers with match trigger sets to remove all free play. These will fit in new receivers without any machine work.
The steel hammer pin manufactured for the M&P10, M&P15, AR-10 and AR-15, once installed, it secures the hammer and gives it a pivot point.
These components are great as spares on the workbench or as extra for an emergency.