The 455 American Combo ships with two barrels — one in .22 LR and one in .22 WMR — providing two calibers in one package. The modular 455 system made this the most versatile factory rimfire offered. Type: Rifle Action: Bolt-Action Caliber: .22 LR Capacity: 5 Year introduced: 2013, Czech Republic Weight: 6.1 oz Overall length: 38.5" Status: Discontinued Intended use: Versatility,Small Game,Varminting