This video provides an expert-level review of the rare Swiss K31/42 and K31/43 sniper rifles, presented by Ian McCollum of Forgotten Weapons. The rifles are based on the K31 carbine and feature a unique periscope-style optic designed to maintain a low profile. Key differences between the K31/42 (1.8x magnification) and K31/43 (2.8x magnification) are detailed, along with their mechanical specifications and historical context.
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