New Ultralight Arms Model 20 in 22 WMR. Forbes offers the Model 20 in 22 Winchester Magnum Rimfire for hunters who want the ultralight platform in a rimfire cartridge with more energy than the 22 LR. The 22 WMR in a sub-5-pound Forbes rifle is an exceptional fox, coyote, and long-range small game combination. The same precision action and hand-fitted barrel deliver the same accuracy standard in the magnum rimfire. Type: Rifle Action: Bolt-Action Caliber: 22 Winchester Magnum Rimfire Capacity: 1 Year introduced: 1993, USA Weight: 48 oz Overall length: 39.5" Status: Active Intended use: small game hunting, varmint hunting