The creation of an accurate .22 Magnum autoloader has long been plagued by cycling challenges caused by the cartridge shape and construction. The long, skinny case has a lot of surface area and resists extraction. Extracting it while the gas pressure is high runs the risk of blowing out the thin case head typical of rimfire ammunition. Balancing these conflicting requirements was a huge technical challenge to overcome – until the Magnum Lite. Magnum Research calls the action "gas-assisted blowback," but it is not. Gas assistance uses a muzzle booster to move the whole barrel (as on a Maxim machine...