The Winchester Model 100 in .30-06 Springfield with 22-inch barrel is the most common variant of Winchester's gas-operated semi-auto hunting rifle series. It competed in the same segment as the Remington 742 and featured a rotary bolt, checkered walnut stock, and Winchester's manufacturing quality of the period. Type: Semi-Auto Rifle Action: Gas-Operated Caliber: .30-06 Sprg Capacity: 4 Year introduced: 1961, USA Weight: 7.25 oz Overall length: 42.5" Status: Discontinued Intended use: Hunting