Ruger has developed their first-ever suppressor with the Silent-SR. The Silent-SR is a .22 LR suppressor which is full-auto rated, and, according to Ruger, is capable of reducing sound levels of .22 LR, .22 WMR, and .17 HRM by up to 40 dB. The Silent-SR features a titanium tube, aluminum rear cap, and stainless steel threaded mount, and weighs in at 6.3 oz with a length of 5.33″ and a diameter of 1.06″.
beta.ruger.com/micros/silent-sr