cal: .30, semi-auto, (1) mag marked "R-C" period leather sling, sn: 4596313, from Mr. Davis's records: Rock-Ola one of the rarer manufacturers of the Carbine. It was manufactured between 11/1943 and 3/1944. It has several correct internal parts. The stock is correct. It is an I cut, high wood marked RMC as is the 2 rivet hand guard. The recoil plate is correctly marked Rock Ola also. The trigger group is Winchester as is the hammer. The bolt is flat type marked Rock Ola. The slide is marked PI for Inland. The barrel and receiver are marked Rock Ola. This rifle will sell for $1000 or more. I purchased this rifle at the Louisville gun show in the mid 60’s. I paid $60 for this rifle; NOTE: There is a $25 transfer fee per firearm for transfer and/or processing payable to Gun World, whether the firearm is picked up or shipped