Suomi M31

The FNAB-43 is a unique Italian submachine gun from late WWII, featuring a compact design with a folding magazine well and a delayed blowback action. It utilizes a closed-bolt system with separate selectors for safe/fire and semi/full-auto modes. While not widely adopted, its innovative mechanisms offer insight into firearm development during the era.

The MP40/I was a rare WWII German submachine gun prototype designed to increase magazine capacity against Soviet PPSh-41. It featured a unique sliding block mechanism allowing for two 32-round magazines to be used sequentially. This design aimed to address the capacity limitations of the standard MP40 without a complete overhaul.

This video demonstrates the manual of arms for the M1A1 Thompson SMG, focusing on proper loading procedures and safe handling. It features a live-fire demonstration showcasing the firearm's performance in semi-automatic and full-automatic modes, highlighting recoil management and the open-bolt cycling. The content emphasizes the historical significance and operational aspects of this iconic World War 2 firearm.

This YouTube Shorts video features an MP5 drum magazine. Given the limited information, the content likely showcases the functionality or aesthetics of this specific firearm accessory. The title directly mentions the MP5 and a drum magazine, indicating a focus on this firearm platform and its feeding device.

The Sten gun, a budget-friendly British WWII submachine gun, was designed for rapid mass production at approximately $10 per unit. Despite its simple, almost crude appearance, it utilized a reliable blowback action chambered in 9mm with a 32-round magazine. Its side-mounted magazine was a notable design feature but also a common source of misfeeds, though variants like the suppressed Mk II (S) were also developed.

This video delves into the Interdynamic MP-9, the precursor to the TEC-9, highlighting its simple open-bolt design and selector mechanism. It details the fire selector ('F' for semi-auto, 'A' for auto) and the unique notch safety on the charging handle slot. The explanation of the trigger's internal mechanics, particularly the disconnector's role in semi-automatic fire, showcases the firearm's historical engineering.

This video showcases the FN PS90, highlighting its unique top-mounted magazine and the 5.7x28mm ammunition. It demonstrates the loading process, weapon preparation including safety manipulation, and live fire at an outdoor range. The PS90 is noted for its low recoil and efficient cycling, making it an interesting bullpup firearm.

This video details the French Mle 1892 Lebel Revolver, chambered in 8mm Lebel. It highlights the unique swing-out cylinder that opens to the right and demonstrates loading six rounds. The video also shows barrel markings 'Mle 1892' and 'S 1914', followed by live firing at steel targets and the ejection of spent casings.

This video showcases the full-auto capabilities of a 1943 MP40 submachine gun, manufactured by Steyr-Daimler-Puch. It features detailed visual inspections, first-person and third-person shooting demonstrations, and high-speed footage of the open-bolt firing cycle. The expert handling and controlled bursts highlight proficient weapon manipulation and range safety.

This video showcases the Kar98k rifle, demonstrating its operation through various shooting sequences. It highlights the bolt-action mechanism, loading with stripper clips, and the rifle's performance from both first-person and third-person perspectives. Slow-motion footage provides a detailed look at the cycling action, emphasizing the rifle's historical significance and mechanical reliability.