The South Korean Daewoo K2 rifle with firearms expert Jonathan Ferguson

This guide details the process of field stripping and performing caliber conversions on the Robinson Armament XCR-L rifle, as demonstrated by Hickok45. It covers the removal and replacement of the barrel and bolt head for different calibers, emphasizing the use of a 1/4-inch hex wrench for barrel retention. The guide also touches upon adjusting the gas system for optimal performance with various ammunition types and suppressors.

This entry details the Daewoo K2, a South Korean rifle blending AK and AR design elements, as presented by Ian McCollum of Forgotten Weapons. It covers the rifle's hybrid mechanical features, including its long-stroke gas piston system and AR-15-style fire control group. The guide focuses on accessing the cleaning kit stored within the pistol grip, emphasizing safe disassembly procedures.

This guide details post-range inspection and basic maintenance for the PSA JAKL 308, focusing on areas identified for wear and potential issues. It emphasizes safety and addresses specific components like the stock adapter and gas system. The information is derived from an expert analysis by Garand Thumb, who has extensive experience with this platform.

This guide details the field stripping process for the Daewoo K2 rifle, including how to access and adjust its 4-position gas system. The information is presented with high authority by James Reeves of TFB TV, drawing on his extensive experience with legacy Daewoo platforms. The process highlights the rifle's AR/AK hybrid design, emphasizing its user-serviceable features for sporting and competition use.

This guide clarifies the operational mechanics of the AR-15/M16 gas system, distinguishing it from true Direct Impingement (DI) systems. Drawing on Eugene Stoner's patents and visual evidence of components like the bolt carrier group, it explains the AR-15's internal piston design. The information is presented with high authority, referencing historical firearms and patent details.

This guide details the field stripping and reassembly process for the Palmetto State Armory (PSA) JAKL rifle, inspired by AR-15 and AK designs. It covers separating receivers, removing the BCG and charging handle, and disassembling the piston system. The video emphasizes the JAKL's long-stroke gas piston operation and its compatibility with standard AR-15 lower receivers, while noting proprietary parts. Instruction is provided by an experienced reviewer with deep technical knowledge.

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.