The Hotchkiss Model 1886 3-pounder Quick Firing Gun features a vertically traveling breech block for efficient operation. Its integrated extractor/ejector system automatically clears spent casings. The gun can be fired via an original pistol grip trigger or an adapted remote trigger system, demonstrating its evolution for different mounting and operational needs.
This video features an unboxing of a 70-year-old 20mm M24A1 Autocannon breech block. The title highlights the age and specific ordnance, suggesting a focus on historical military hardware and potentially its mechanical aspects. The inclusion of "military" and "aviation" suggests a broader interest in historical military technology beyond just the firearm itself.
This video details the complex process of converting a Winchester 1885 Low Wall from .32 Rimfire to .357 Magnum. It covers plugging the original firing pin hole, fabricating a new centerfire pin and bushing, drilling a safety vent, modifying the extractor, and re-reaming the chamber. Crucially, it addresses timing issues by fabricating a custom link to adjust breech block height for proper primer strikes.
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