Sosso 1941 Italian Prototype Pistol

This video examines a rare .45 ACP prototype pistol designed by Isaac Newton Lewis, inventor of the Lewis machine gun. The pistol features an advanced 15-round double-stack magazine and a short-recoil action, though it was rejected by the French military. The review includes a detailed field strip and internal mechanics explanation, highlighting its unique locking lug system.

This review details the rare Tomiska Army Pistol prototype, a post-WWI design by Alois Tomiska. It highlights the innovative, though complex, auto-ejecting empty magazine feature and a magazine safety. The pistol's DA/SA action and unique disassembly are compared to contemporary designs like the Browning 1910, offering insights into early semi-automatic military firearm development.

This video provides an expert-level look at a unique one-of-a-kind prototype vz.38 pistol in .32 ACP, presented by Ian McCollum. The pistol, developed by František Myška, features a DA/SA action and a simple hinged-barrel disassembly. Due to the outbreak of WWII, this specific prototype never entered production, making it a rare historical artifact.

The Schouboe Model 1916 represents the final, albeit unsuccessful, iteration of a Danish automatic pistol. Key design changes include a steeply angled grip, a revised slide and barrel mechanism where the slide doesn't telescope, and a unique blowback action utilizing specialized low-pressure .45 caliber ammunition. Despite retaining some earlier safety features, it introduced a novel last-round hold-open mechanism via a follower protrusion.

This review details the rare Finnish m/44 prototype pistol, designed during WWII as a cost-effective alternative to the Lahti L-35. It features a direct blowback action, a unique welded sheet metal frame, and was produced by VKT. Despite delays, 25 prototypes were made, with the design offering insights into simplified military firearm manufacturing.

This video explores a rare Walther prototype pistol from 1938-1939, developed as part of 'Project Ultra' to create a firearm for the 9mm Ultra cartridge. The design evolved from blowback to a rotating barrel locked breech system due to the cartridge's power. While shelved for P38 production, the 9mm Ultra cartridge later reappeared as the 9mm Police for West German law enforcement.

This video details the unique 'French Finger Trap' issue with the MAS-36 rifle's bayonet, where two rifles can become unintentionally locked together. A 1951 French arsenal memorandum identified this problem, proposing a simple modification to the bayonet handle. Drilling a small hole allows a tool, like a firing pin, to depress the internal spring, enabling the separation of locked rifles.

The M134 Minigun is a scaled-down 7.62 NATO rotary cannon, requiring 24V DC power and consuming 1.5 kW. Its high rate of fire (3,000+ RPM) is essential for aircraft engagement windows. The complex delinker mechanism is critical for feeding ammunition, and practical hand-held use is impossible due to weight and recoil. Live fire demonstrates rapid ammunition consumption and the need for indirect aiming.

The H&K G11 is a revolutionary prototype assault rifle designed in the late 20th century, notable for its caseless ammunition and unique rotating drum bolt mechanism. Despite advanced features like a 2000 RPM burst fire rate and integrated optics, its development was ultimately halted by geopolitical shifts and cost concerns.

This video demonstrates the assembly and live-fire of the German 1936 pattern light mortar (L.Gr.W.36). It highlights the mortar's leveling mechanism for accuracy and the difficulty in visually tracking its 50mm projectiles after firing. The content showcases historical military hardware and its operational use.