RIFLE: REMINGTON ARMS COMPANY MODEL 597, SERIAL NUMBER A2769411, CAMOUFLAGE, CASE NOT INCLUDED, BOLT, 22 LONG RIFLE (22LR), 20IN Notes: The Model 597 is easily the most advanced autoloading rimfire rifle ever built, and the most technologically advanced breakthrough in autoloading rimfire rifle technology in 35 years. The difference starts with our proprietary bolt-guidance system, which features a unique set of twin tool-steel guide rails for better stability, feeding reliability and greater out-of-the-box accuracy. Of course, they didn't stop there. The bolt, hammer and sear of the Model 597 all feature an exclusive nickel-Teflon plating for smooth, dependable operation and an ultra-crisp trigger pull.