A Sterling Arms Model 302 .22 LR Stainless Semi-Automatic Pistol. This compact, semi-automatic pistol is primarily constructed of stainless steel with black polymer grips. The slide is marked “STERLING .22 L.R. STAINLESS,” and the frame bears “STERLING ARMS LOCKPORT, N.Y.” and the serial/model number “E22180.” A stylized “S” emblem is visible on the right grip panel, and a safety lever with a red indicator is present. It is accompanied by a separate blued steel magazine.