Remington Society

I suggest you look at diagrams in owners manual, search on 'Remington model 550.pdf' to get to https://www.remarms.com/support/owners-manuals The Sear is held in place (up/down) by the head of the Sear Spring Case, between a flat (above) and an offset in the sear (below). The off set interferes with...

I have repaired one with sear spring case ruined threads. i can describe repair if there is interest.