The ZB37 was a Czechoslovakian super-heavy machine gun developed by Václav Holek, evolving from earlier designs like the ZB50 and ZB35. It featured a unique dual rate of fire, adjustable from 500 to 700 rpm, and a robust, expensive receiver machined from a single steel billet. Adopted by the Czech military and later by the German SS as the MG37(t), its design was also licensed by the British as the BESA for tank use.
This Q&A delves into the Besa machine gun's adoption by Britain for tanks, highlighting its advantages over early Browning models and the Vickers. It also explores the limited potential of the ACR as an M16 upper kit, contrasting it with modern successful designs like the Brownells BRN-180. The discussion touches on the inefficiency of auto-ejecting magazines and the historical preference for heel releases. Furthermore, it examines firearms innovation in smaller nations like Czechoslovakia and Finland, the mechanics of en bloc versus stripper clips, and methods for measuring group size.
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