4 Free Things to do During Lockdown

This YouTube video, titled 'The Grammar Commando - Irregular Verbs 101', appears to be an educational content piece focusing on grammar, specifically irregular verbs. Despite the title suggesting a potential 'commando' theme, the description provides links to a podcast called 'Gun Culture Radio' and its sponsor, SDI (Schuylkill Defense Institute), which is a firearms training institution. It also links to a Facebook page associated with 'Hickok45andson', a prominent firearms YouTuber. While the primary content seems to be grammar instruction, the surrounding context and sponsorships strongly hint at a connection to the firearms community, possibly as a supplementary learning tool or an example within a broader context of training or education related to firearms.

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.