This Marlin manufactured fourth variation trigger guard assembly with bolt release slot is for the model 990 semi-auto rimfire rifle and is in very good condition with light wear. This assembly consists of the synthetic trigger guard, serrated trigger, trigger spring, both trigger pins, and the safety assembly. (file photos)
Note: Model 990 rimfire rifles with the following years of manufacture and serial numbers have been observed with this part:
1985: 15354511
