.30 Carbine. 17.75" barrel length. SN: 4628860. Parkerized metal finish with blued bolt set in walnut high wood semi-pistol grip stock with post-war bayonet lug and rear sight updates. Short stroke piston driven semi-automatic rifle fed by detachable double stack magazines. Item features the round top bolt, high wood stock, two rivet upper handguard, rotary safety lever, type III barrel band, and type III rear sight. Receiver struck with the ROCK-OLA manufacturer mark below the rear sight and U.S. CARBINE/CAL .30 M1 to forward receiver. Further ROCK-OLA marks struck into forward barrel behind front sight, to right side of the gas block, to the recoil plate, below the slide, and to the right trigger housing. Barrel additionally shows P and {Ordnance Bomb} markings. Inside of the upper handguard struck IO. Stock marked V to interior handguard, {Crossed Cannons} to right butt, and 40 below the semi pistol grip. Comes with canvas sling and oiler. Comes with a total of two blued magazines, one marked S.I. for Inland Division, the other U for Underwood. {C&R}