This Remington manufactured 10 5/8" long outer magazine tube is for the early model 12-A slide action rimfire rifle in 22 S, L, & LR caliber. The overall condition is very good exhibiting a brownish gray patina with a few specks of older rust. (file photo)
Note: Remington model 12-A takedown slide action rimfire rifles with the following serial numbers have been observed with this part:
12-A: 30310