Get the look and feel of the legendary HK416 used by the world's most elite fighting forces in a semi-automatic .22 LR rifle. HK partnered with Umarex of Germany to bring you the best, most realistic HK branded rimfire rifles available. Whether you use it as sub-caliber trainer, for hunting or competition, make sure you get the only HK416 .22 LR rifle authorized by HK. Features: Functional dust cover Last round bolt hold open Threaded muzzle 1/2 inches - 28