Heckfire by ShootingSight: The Best Trigger for H&K & Clone Rifles (9mm / 5.56 / 7.62)

This YouTube video demonstrates the disassembly and reassembly process for the H&K MP5 in .22LR caliber. It provides direct links to the Remington Thunderbolt .22LR ammunition, the H&K MP5 .22LR firearm, and the Smokin Barrel Simi Valley gun shop, suggesting a review or informational content related to this specific firearm and its ammunition. The creator encourages viewer comments, indicating an interactive approach to content delivery.

This expert guide, presented by Ian McCollum of Forgotten Weapons, details the legal intricacies of using transferable H&K auto sears with semi-auto host firearms. It emphasizes that modifying the receiver's semi-auto shelf is illegal, and instead, the trigger pack housing must be modified to fit. The guide covers crucial purchase precautions and potential legal pitfalls, particularly for MP5 conversions.

This video from Brownells Gun Tech™ provides a clear, step-by-step guide on installing the Magpul SL Grip Module onto H&K MP5 variants, specifically the SP5 and Zenith Z5. Keith Ford demonstrates the process, highlighting important considerations such as potential snug fits and the need for minor material removal on the SP5. The tutorial also addresses compatibility issues with certain trigger packs and selector mechanisms on H&K SP5 Navy lowers, recommending the use of an SEF trigger pack for those setups. The guide emphasizes achieving a more comfortable grip angle for improved control and shooting.

This video provides a quick and practical guide on upgrading the rear sight of an H&K MP5 or SP5. Brownells Gun Tech Keith Ford demonstrates how to replace the factory drum sight with a more precise diopter-style drum. This upgrade is applicable to various Heckler & Koch roller lock firearms with a notched rear drum sight. The process requires an H&K Rear Sight Tool and a PH2 driver bit. The tutorial covers the removal of the old sight and the installation of the new one, emphasizing the need for point-of-impact adjustment. The video encourages viewers to subscribe for more expert gunsmithing tips.

This YouTube video showcases upgrades made to an MP5 firearm, specifically the installation of a Lee Sporting Lower and Super Safety. The creator highlights these modifications as enhancing the shooting experience, making the MP5 more enjoyable from the factory. The video also includes promotional links for an SG Timer, Axil hearing protection, QVO Tactical merchandise, and SuperVel ammunition, alongside a Patreon support link.

This video demonstrates how to install an extended ambidextrous safety selector lever on a Heckler & Koch MP5 or its clones. The process is presented as the "#1 MP5 upgrade" every owner should consider. The video also includes various promotional links for apparel, merchandise, and other platforms associated with the creator.

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.