The Semmerling LM4 is a rare, handmade .45 ACP manual repeater pistol from the late 1970s/early 1980s. It features a unique barrel-pulling action for cycling and a trigger-activated detent to secure the barrel. While offering significant firepower in a compact design for its era, its complexity, limited capacity, and substantial recoil make it primarily a collector's item today, with modern alternatives offering superior performance.
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