Merrill Breechloading Conversion of the 1841 Mississippi Rifle

This video examines Edward Lindner's innovative, yet impractical, 1857 proof-of-concept revolver. It features a unique tube-fed, striker-fired, self-priming mechanism designed for caseless .48 caliber ammunition. While demonstrating advanced concepts like automatic percussion cap feeding and modular magazine potential, the design was too complex and expensive for its time and lacked functional firing capability.

This guide details the loading and disassembly of the Dreyse Model 1835, an early breechloading needlefire pistol. It covers the unique rotating tumbler mechanism for loading paper cartridges and the internal bolt assembly, highlighting the replaceable needle striker. Expert instruction from Ian McCollum provides a deep dive into this historical firearm's mechanics.

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.