HK HK416 22 Long Rifle 16.1in Black Semi Automatic Modern Sporting Rifle - 20+1 Rounds - Get the look and feel of the legendary HK416 used by the worlds 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. Ambidextrous Safety And Charging Handle Aluminum Upper And Lower Aluminum M-Lok Rail Retractable Stock Adjustable Flip Up Sights 20 round Polymer Magazine Thread Pattern: 1/2 x 28