551R. I.B.M. Corp. – Mod. M1 Carbine – 30 Carbine Cal. Semi-Auto Rifle – w/18” I.B.M. 12-43 Dated Barrel w/Blade Front & Adj. Rear Sights – Parkerized Finish – w/Pistol Grip Full Wood Stock w/Metal Butt Plate – w/Cartouche on Right Side of Butt Stock – Serial #3787312
