Praga I: A Blow-Forward Bullpup Semi-Auto-Selectable Vickers Gun

The Praga I, designed by Václav Holek in 1922, was an experimental blow-forward, bullpup-style machine gun based on the Vickers system. It uniquely utilized muzzle blast to cycle the action by pushing the barrel assembly forward, a departure from traditional recoil operation. While featuring a semi-auto selector, only three prototypes were produced before the design was abandoned, marking an early stage in Czech machine gun development.

Murdoch & Co is producing new SA80 (L85) rifles in the USA, including modernized L85A3 variants and collector series using original parts. The project aims to preserve the history of the rifle as the UK MOD destroys original stocks. Both fully new production and collector-grade rifles are available, catering to enthusiasts and historians.

This video explores hypothetical modernizations of the WWI-era Chauchat rifle, inspired by video game concepts. While some upgrades like modern optics and improved bipods are feasible, others like bullpup conversions are mechanically impossible due to the Chauchat's long-recoil action. Historical improvements like the Belgian M1927 pattern are also discussed, suggesting modern calibers could make a Chauchat viable.

This video explores the impracticality of a bullpup Chauchat design due to its long-recoil mechanism. Ian McCollum highlights that the bolt and recoil spring must remain behind the action, making a compact bullpup configuration impossible. The discussion also touches on potential handling improvements through shortening the original Chauchat.

This video explores an experimental bullpup over/under shotgun, highlighting its unique design where the action is placed behind the trigger for a compact form factor. A key innovation revealed is the use of curved barrels to accommodate the bullpup layout within the stock. The shotgun features dual triggers and a breech mechanism operated by a lever on the butt plate.

This video humorously explores the SA80 bullpup rifle, showcasing its ergonomic limitations and presenting a custom 'un-bullpupped' variant dubbed 'The Jonathan Ferguson Special'. It highlights the standard SA80's right-handed-only design challenges and demonstrates the modified rifle's traditional configuration. The content emphasizes expert knowledge of firearm design and historical context.

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.