South African Army .22 Rimfire Conversion for the R4

SHORTSHOT TONY demonstrates a custom AK-47 (PSA GF3) featuring a 3-position Forced Reset Trigger (FRT), a modification many believed impossible for the platform. The video showcases the transition from semi-automatic to rapid-fire modes. Tony credits Kilo Guns, LLC in Arizona for the gunsmithing work and promotes the Sonoran Desert Institute (SDI) for gunsmithing education.

This video provides a comprehensive how-to guide for installing the JMAC Triangle Stock and Cheek Riser on an AK platform. It covers unboxing, fitment, necessary tools, and tuning for a secure installation. The process includes removing the factory stock, preparing the trunnion, mounting the JMAC adapter, and adjusting the cheek weld for an improved shooting experience. The guide is aimed at AK owners looking to upgrade their rear furniture for better control, a more comfortable cheek weld, and compact carry.

This video details an extensive 'over-upgrade' of an Arsenal SAM5 rifle, focusing on the installation of the SureShot USA Mk-3 Chassis. The build incorporates high-end components like an ALG AKT-UL trigger, B5 Systems furniture, and an EOTech optic, transforming the base AK platform into a modern, modular rifle. The final range test demonstrates the upgraded rifle's reliability and flat-shooting characteristics.

Brandon Herrera details significant improvements to the AK-50 prototype, focusing on a new double recoil spring assembly designed to enhance reliability. While live fire testing showed progress, cycling and ejection issues persist, particularly with standard ammunition. Further adjustments to the gas system and ejection geometry are planned.

This YouTube video, titled 'My buddy put parts in it' and with a description reiterating the same, focuses on a firearm that has had parts installed by a friend. While the specific firearm, caliber, or nature of the parts is not detailed, the video likely showcases a modification or build process. The channel promotes a Patreon page, an email newsletter, and a link to their websites and affiliate pages, indicating an effort to engage their audience and monetize content. The content's value for firearm enthusiasts would depend heavily on the execution of the video, which is not detailed here, but the core theme revolves around firearm customization.

This video provides a tutorial on how to field strip the AK-47 platform. The title suggests a practical, hands-on demonstration of disassembling the firearm for cleaning and maintenance.

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.