A .257 Roberts, .270 or .30-06 bolt-action sporting rifle, with 22" barrel and 5-shot integral magazine. Blued, with checkered walnut stock. Approximately 2,500 manufactured from 1941 to 1944. Another 1,000 or so were made in 1942 for the U.S. Navy, mostly in .30-06 with a few in .270 and .257 Roberts. NOTE: Add 100 percent for .270; 150 percent for .257 Roberts.