This Colt manufactured first variation trigger spring screw with a flat head is for the small frame Lightning slide action rimfire rifle and is in very good condition exhibiting a brownish gray patina with light slot wear. (file photo)
Note: Colt small frame Lightning slide action rimfire rifles with the following serial numbers have been observed with this part: 8118, 11739, 20433, 24022, 35792 & 38674
