SN 4472569: Made in 1953 by International Harvester in .30-06 with a March 1963 dated Springfield Armory 24-inch barrel with bright bore in excellent condition. Heel markings are the so-called "postage stamp" justify IHC markings. Replacement Boyds hardwood stock set marked "CMP" on the left side. Harrington & Richardson bolt, Winchester hammer, Springfield trigger group, Springfield safety, & Springfield radius cut op-rod. Rifle is equipped with the T105E1 rear sight assembly, a Harrington & Richardson marked poppet valve gas cylinder lock screw & a high hump gas cylinder lock.   Austin Location.