This is a CZ 75 is a semi-automatic pistol made by Czech firearm manufacturer ČZUB. It features a staggered-column magazine, all-steel construction, and a hammer forged barrel. Specifically the CZ 75 “Pre-B” Produced from 1980 to 1993, it features longer slide rails, cast frame, and half-cocked hammer.
https://www.youtube.com/watch?v=ybT3wCzzB0M
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