Max Popenker on Russian Pistols and Ammunition: 7N21, 9x21mm, 9x18mm, and more

This FN 1900, nickel-plated by FN's motorcycle division, uniquely belonged to the Russian Imperial Army's Gymnastics and Fencing School. While not a formal military adoption, officers could privately purchase such approved models. The pistol's specific Cyrillic markings and rare factory nickel finish, with certain parts left blackened for function, make it a significant historical artifact.

This video delves into the history and development of the Soviet/Russian 9x39mm subsonic cartridge and its associated firearms, including the AS Val, VSS Vintorez, and OTs-14 Groza. It highlights the cartridge's design goals for suppressed use, armor penetration, and compares it to modern alternatives like .300 Blackout. The discussion emphasizes the unique role these weapons play in special operations due to their specialized capabilities.

This YouTube video focuses on the ballistics of the 7.62x39mm cartridge, specifically as it relates to AK-platform firearms. While the title and description are concise, the content likely delves into the performance characteristics of this popular rifle round, potentially covering factors like bullet trajectory, energy transfer, and terminal ballistics when fired from an AK. The creator, Basement Operator Company, also promotes their merchandise and website, which features affiliate links.

This video provides a detailed comparison between 7.62 NATO and 7.62x54R cartridges, highlighting their historical context, physical design, and ballistic performance. While 7.62x54R is a venerable, rimmed cartridge with slight muzzle advantages, 7.62 NATO excels in modern platforms due to its rimless design, enabling higher capacity magazines and greater versatility. The NATO round also demonstrates superior energy retention at range and wider availability of match-grade ammunition in the US.

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.