The MFR: When the AR15 meets the Sten, with firearms expert Jonathan Ferguson

This guide details the disassembly and reassembly of a 22LR conversion bolt carrier group, including cleaning procedures. It emphasizes managing spring tension during disassembly and highlights a technique called 'buzzing the chamber' using a drill and bore brush for thorough cleaning and polishing of the chamber adapter. The video also touches on compatibility with gas piston systems.

This video details the assembly of a Pistol Caliber Carbine (PCC) build, focusing on the specific components and techniques required for a blowback system. It covers the installation of a mil-spec trigger, barrel, and handguard, emphasizing the importance of proper alignment and the use of anti-seize. The build utilizes an Aero Precision EPC platform and highlights the differences between a blowback PCC and a traditional gas-operated AR-15.

This guide details the process of converting the Colt LE-901 modular rifle from its native caliber to function with 5.56 NATO uppers. It involves using a specific magazine well adapter and front pin to ensure compatibility with standard AR-15 components and magazines, allowing for seamless caliber changes.

This video demonstrates how to convert a CMMG DISSENT 5.56 rifle to fire .22LR ammunition using a specialized adapter. This conversion kit is now included with all 2024 DISSENT 5.56 models and is also available for separate purchase. The adapter is also compatible with the Mk4 5.7 DISSENT when used in conjunction with the Mk57 Conversion Kit. The video encourages viewers to visit CMMG's website and follow their social media channels for more information.

This guide details the installation of the Law Tactical ARIC internal carrier system, enabling an AR-15 to fire with a folded stock, mimicking features of the Sig Virtus/MCX. The process involves disassembling the standard bolt carrier group and installing the ARIC system. This modification allows for a more compact carry profile without sacrificing immediate firing capability, as demonstrated by Military Arms Channel.

This guide details the field stripping and basic operation of the Beretta CX4 Storm 9mm carbine, as demonstrated by an expert firearms reviewer. It covers the simple disassembly process, highlighting the ambidextrous controls and the unique retractable accessory rail. The review emphasizes the carbine's compatibility with Beretta 92 and PX4 pistol magazines.

Ian McCollum and Jonathan Ferguson of the Royal Armouries present a challenge to find three unique firearms based on appearance, mechanical oddity, and historical impact. They showcase experimental and rare pieces like the Charlton Automatic Rifle, Sterling 7.62mm prototype, Schwarzlose Model 1898, Gabbett-Fairfax Mars pistol, an SA80 prototype, and a BSA Machine Carbine, highlighting their unusual mechanisms and limited adoption.

This entry details the Knight's Armament KS-1 (L403A1), the British Army's new Alternative Individual Weapon, adopted under Project Hunter. Expert Jonathan Ferguson from the Royal Armouries provides an in-depth look at its features, intended use for specialized units, and its role in supplementing existing platforms like the SA80.

This guide details the process of arming an 11th-century Norman knight, as explained by an institutional expert from the Royal Armouries. It covers the sequence of donning essential protective gear, including padded undergarments, a mail hauberk, a nasal helmet, and a kite shield, emphasizing weight distribution and historical construction techniques.

This guide details the installation and operation of the Harston's Patent Mark IV magazine, a rare modification designed to convert the single-shot Martini-Henry rifle into a repeater. Expert Jonathan Ferguson explains the mechanism, its inventor Captain Charles Gravelle Harston, and the historical context of its development. The guide covers fitting the magazine, the cycling process for feeding rounds, and the use of the cutoff device for single-shot operation, while also noting potential reliability issues and the high conversion cost.