ZB26: The Best of the Light Machine Guns

This video showcases an impressive collection of 15 light machine guns in under a minute, highlighting global variants and historical lineage. It features iconic Western LMGs like the FN MAG 58 (M240) and M60, alongside Eastern Bloc designs such as the Romanian PKM and Polish RPK. The review also delves into various Bren Gun iterations from different countries, including Israeli, Italian, British, Canadian, and Australian versions, tracing back to the original Czech ZB26.

The Praga I-23 is a rare prototype belt-fed light machine gun that predates the ZB26. It features a unique bottom-feeding belt box and a gas-operated system with an expansion chamber. Understanding its feeding and firing cycle reveals key developmental steps towards later Czech designs.

The LMG-25, Switzerland's first modern light machine gun, features a unique toggle-locking system developed by Adolf Furrer. Chambered in 7.5x55mm Swiss, it offers select-fire capability and a 30-round magazine compatible with the Stgw 57. A notable feature is the Advanced Primer Ignition (API) system, which reduces felt recoil and rate of fire by igniting the primer while parts are still moving forward.

The Romanian ZB-30 LMG, an evolution of the ZB-26, was developed to handle higher-pressure 8mm Mauser heavy ball ammunition. Key improvements include an adjustable gas port and a more robust locking system. Variations exist between Czech-made and Romanian-produced Cugir arsenal examples, notably in receiver markings and the presence of King Carol II's crest.

The Lahti-Saloranta LS-26 was Finland's first domestically produced light machine gun, designed by Aimo Lahti. It featured a recoil-operated system and a 20-round magazine, but suffered reliability issues in cold weather due to its tight tolerances and frozen preservative grease. Despite its advanced design for the time, it was eventually superseded by captured Soviet DP-28s.

The Praga I-23 was a belt-fed prototype light machine gun by Vaclav Holek, serving as a precursor to the ZB26. It featured a unique bottom-feeding belt system and a hybrid bolt mechanism. Despite its advanced design, military trials favored magazine-fed weapons, leading Holek to adapt the design into the successful ZB26.

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.