This Marlin manufactured front sight screw is for the model 15YN bolt action rimfire rifle and is in near excellent condition with light wear. This screw measures approx .315" long and .134" in thread diameter. (file photo)
Note: Marlin model 15YN rimfire rifles with the following years of manufacture and serial numbers have been observed with this part: 10660993, 10661264 & 10661311
