This guide details the operation of the Swiss LMG-25's unique firing modes, specifically the 'Advanced Primer Ignition' (API) and 'Normal' modes. The LMG-25 features a toggle-locked, recoil-operated action and a three-position selector for safe, semi-auto, and full-auto fire. The API mode reduces recoil by igniting the round while the bolt is still moving forward, whereas normal mode allows the bolt to reach a full stop before firing. Expert analysis from Ian McCollum highlights the mechanical intricacies of this historical light machine gun.
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