Why attaching a grenade launcher to an MP5 isn't that crazy. With firearms expert, Jonathan Ferguson

This episode of "What is this Weapon" celebrates its 100th installment with a live event at the Royal Armouries museum in Leeds, UK. The featured weapon is the Martini Henry grenade launcher, discussed by firearms expert Jonathan Ferguson. The video delves into the weapon's controversial history, its connection to the Western Front in 1915, and its association with a "super villain" backstory. The content also covers early grenade launchers, specific models like the Blanch & Chevallier, and the technical workings of the weapon, concluding with a Q&A session.

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.

This YouTube Short showcases training rounds for a grenade launcher, highlighting their 'badass' nature. The video focuses on the impressive visual and auditory aspects of using such ordnance in a training environment. While specific details about the launcher model or ammunition type are not provided, the title and hashtag strongly indicate a focus on military or heavy ordnance applications and the exciting, powerful demonstration of its capabilities.

This YouTube Shorts video, titled "Have You Ever Wondered? #shorts #mp5", likely explores a question or fact related to firearms, with a specific mention of the MP5. The description is minimal, offering no further clues. Given the title's nature, it could be a quick factoid, a common misconception, or a brief demonstration related to the iconic MP5 submachine gun.

This YouTube Short focuses on the iconic MP5 submachine gun, posing a question about its ammunition capacity. The title "MP5… How many Rounds is That?! #shorts Ammo Squared" indicates a quick, engaging video likely demonstrating or discussing the magazine size of an MP5, possibly with a visual element related to ammunition.

This video appears to focus on the Heckler & Koch MP5, specifically highlighting its 'giggle switch' functionality, which typically refers to a full-automatic fire selector. While the description is minimal, the title strongly suggests a demonstration or discussion of the MP5's automatic fire capabilities. This type of content often appeals to firearms enthusiasts interested in military surplus, submachine guns, and the operational aspects of these platforms.

This video features Ian McCollum and Jonathan Ferguson in a 60-second challenge at the Royal Armouries to find three unique firearms: a Charlton Automatic Rifle, a Schwarzlose Model 1898 pistol, and an early SA80 prototype. They discuss unusual mechanical operations and limited historical impact, highlighting experimental designs like the Sterling 7.62mm prototype and the Mars .45 Automatic Pistol.

The Knight's Armament KS-1, designated L403A1 by the British Army, is a new AR-15 platform rifle adopted for specialized units like the Army Special Operations Brigade and Royal Marines. It features a 13.7-inch barrel, ambidextrous controls, and is equipped with a Vortex 1-10x LPVO and an Aimpoint ACRO P-2 for versatile engagement ranges. The rifle utilizes a KAC QDC/MCQ-PRT suppressor and is part of 'Project Hunter' to enhance interoperability with allied forces.

This video details the armor and weaponry of an 11th-century Norman knight, emphasizing the evolution of protective gear. It covers the padded undergarments, the mail hauberk constructed from thousands of iron rings, and the nasal helmet for head protection. The kite shield offered significant defense, while primary weapons included the lance and a one-handed sword.

This video explores a unique modernization attempt of the Martini-Henry rifle using Captain Harston's Patent Magazine. Jonathan Ferguson details the Mark IV rifle's features and the external magazine's mechanism, designed to convert the single-shot rifle into a five-round repeater. Despite its ingenuity, the system faced issues with reliability, high conversion costs, and was ultimately overshadowed by superior bolt-action designs like the Lee-Metford.