Pienoiskivääri m/91 Finnish .22 Mosin Trainer

The TKIV-85 is Finland's cost-effective sniper rifle, built on Mosin-Nagant actions and featuring a unique octagonal bedding block for a free-floated barrel. Chambered in 7.62x53R, it utilizes a Valmet trigger and a modified bolt, typically paired with a Schmidt & Bender 4x36 scope. This rifle served for nearly 40 years before being replaced by modern platforms.

This video delves into the history and specifics of the Finnish m/91 pienoiskivääri, a .22 rimfire Mosin Nagant trainer rifle. Developed in the 1920s by the Finnish Defense Forces for cost-effective marksmanship training, these rifles featured barrels converted using the Salerno process or new barrels from Tikkakoski. The video explains their production numbers, their use during World War II, and their eventual sale as surplus. It highlights their scarcity in the United States due to not being sold in bulk to major importers.

This review of the Mosin Nagant rifle highlights its historical significance and unique design features, contrasting them with modern firearms. While acknowledging its 'ugly' aesthetic and some ergonomic drawbacks like a steel butt plate and non-scopable bolt, the video demonstrates its surprisingly functional action and the effectiveness of its bayonet. The analysis includes velocity tests of different ammunition types and a comparison to a modern .308 Winchester rifle, offering insights into its performance and historical context.

The TKIV-85 is a Finnish sniper rifle built on a Mosin-Nagant action, featuring significant modifications for enhanced accuracy. Key upgrades include an octagonal bedding block for a free-floating barrel and a Valmet adjustable trigger. It is equipped with a Schmidt & Bender 4x36 scope with an 800-meter BDC.

The M28/76 is a unique Finnish Mosin-Nagant variant developed for competition and sniper roles, evolving from earlier models like the M28/57. It features a heavy barrel, a highly refined two-stage competition trigger, and a quick-detach scope mount. Notably, some were produced with left-handed stocks, showcasing Finnish ingenuity in adapting the classic bolt-action platform.

This video features a casual yet reflective review of a Russian World War II rifle, contrasting it with modern firearms. The speaker, demonstrating familiarity with contemporary rifle features like carbon fiber components, expresses a sentiment for simpler, older designs. The content highlights the enduring functionality of historical firearms through a shooting demonstration.

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.