Be flexible, Remington made more than one tube fed magazine model, so don’t just focus on a 552 when a 512 MIGHT work.
Remington Model 552 Trigger Plate / Group Assembly. Find Remington Model 552 parts, accessories and schematics with Numrich Gun Parts. When the old magazine spring was finally out on the bench, I dissembled the 552 and looked over the bolt, then removed the firing pin Remington Model 552 - 557 Butt Plate - New.
