This Remington manufactured early variation ejector plunger case assembly is for the model 12 slide action rimfire rifle in 22 S, L & LR caliber and is in very good condition with light wear. This assembly consists of the ejector plunger, ejector plunger case, ejector plunger spring and the ejector plunger stop screw. The early variation ejector plunger case assembly is NOT scalloped for and NOT designed to be mounted to the back side of the trigger guard but instead, it rests within the hole in the stock and along the scalloped portion of the back side of the trigger guard and IF (not all of them have it) it uses a mounting screw, the screw is of the wood screw type and the screw mounts into the face of the butt stock. (file photo)

Note: Remington model 12 slide action rimfire rifles in 22 S, L or LR caliber with the following serial numbers have been observed with this part: 666306 & 681973

12-A:

12-C: 663586