A Police SMG Upgrade: the MP-18 System Schmeisser (audio fixed)

The MP-18,I is recognized as the first submachine gun to see combat, developed by Germany in late 1915 for trench clearing. It features a simple open-bolt, blowback-operated mechanism with full-auto fire only, lacking a disconnector. The design includes a Trommel magazine with a sleeve to prevent over-insertion, and early models bear distinct markings like 'M.P. 18,I.' and the year of manufacture.

The Schmeisser MP-28,II is Hugo Schmeisser's refined version of the MP-18, featuring a more efficient milled receiver and a crucial selector lever for semi-auto and full-auto fire. Its box magazine design influenced later iconic submachine guns like the MP-38/40 and Sten. Despite a front-heavy characteristic typical of early SMGs, the MP-28,II offers smooth handling and control during automatic fire, with a lower rate of fire than its predecessor.

This video breaks down submachine gun evolution into three distinct generations. Generation 1 (WWI/Interwar) focused on quality manufacturing with milled parts and wood furniture, exemplified by the MP18 and Thompson. Generation 2 (WWII/Postwar) prioritized mass production using stamped metal and simpler designs like the MP40 and M3 Grease Gun. Generation 3 (Modern) features scaled-down rifle designs with advanced actions like the MP5.

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.