This is a beautiful M1 carbine with a hardwood oak stock. The barrel is marked “I.B.M. Corp. 12-43.” It is also marked “I.B.M.” under the peep sight. The rear apron is marked “Rock-ola.” This is a semi-automatic, and fires a .30 caliber round. It has a RMC stamp and military cartouche on the right side of the stock. It comes with one magazine, canvas sling, swivels, and oiler. It has an adjustable rear peep sight. Age related wear. Serial number 3787306. Not tested.