Experimental Reising 7.62mm Full-Auto Battle Rifle

This entry details the experimental conversion of a Swedish AG-42B Ljungman rifle to 7.62mm NATO, focusing on its unique short-stroke gas piston system. Ian McCollum, demonstrating high expertise, explains the historical context and mechanical modifications. The guide covers disassembly and the function of the adjustable gas block and dual recoil springs, highlighting the rarity of this approximately 10-unit production.

This video provides an in-depth look at H&R's experimental M14 Guerrilla Gun, a rare select-fire variant developed for potential jungle warfare applications. Expert Ian McCollum details its unique underfolding stock, shortened barrel, and modified gas system, highlighting its historical significance and rarity as a transferable M14 prototype. The discussion covers its development between 1961-1963, aiming for a lighter, more compact rifle for conditions like those in Laos.

This guide details the US Navy's Mk2 Mod1 conversion of the M1 Garand to 7.62mm NATO. It covers the historical context, the failure of early Mk2 Mod0 attempts, the successful Mk2 Mod1 barrel replacement strategy, technical modifications like gas port adjustments and magazine spacers, and identification markings. The rifles saw extensive service from the Vietnam War onwards.

This guide outlines the process of converting a WWII-era Bren Gun to 7.62mm NATO, a modification undertaken by South Africa between 1972 and 1976. The conversion involved replacing the barrel, modifying the ejector block for magazine compatibility, and updating the bolt's extractor. The process, detailed by Ian McCollum, highlights the technical challenges and historical context of this significant firearm adaptation.

This guide details the key modifications involved in converting the classic Bren L4 light machine gun from .303 British to 7.62mm NATO. It covers visual identification points on the receiver, barrel, and magazines, as well as internal component changes and external accessory updates. The conversion aimed to standardize ammunition with the L1A1 rifle.

This guide details how to identify authentic French MAS 49-56 rifles chambered in 7.62mm NATO, distinguishing them from commercial conversions. It covers key markings, serial number ranges, and specific design features. The information also touches upon the technical challenges faced during the NATO standardization trials, including internal component modifications and the reasons for the project's ultimate failure. Instruction is provided by Ian McCollum, an expert in historical firearms.

This guide details the specific technique for separating two MAS-36 rifles that have been inadvertently locked together by their bayonets. It outlines the historical context of this issue, the modification made to the bayonet to resolve it, and the step-by-step procedure for disengagement. The technique requires precise alignment and the use of a pointed tool to access the internal release mechanism, as demonstrated by firearms expert Ian McCollum.

This guide details the loading and firing procedure for the M134 Minigun, as explained by Ian McCollum. It covers manual indexing of the barrel cluster, feeding the ammunition belt, engaging controls, and firing. The guide also touches upon the weapon's spin-down inertia and the function of modern clutch systems. Expert instruction from a recognized firearms historian highlights the technical aspects of operating this powerful weapon system.

This guide details the operational features of the H&K G11 K2, a prototype assault rifle known for its caseless ammunition and unique rotating drum bolt. It covers the selector settings, magazine capacity, integrated optics, and the internal action designed for recoil management during high-rate-of-fire bursts. Expert insights from Ian McCollum highlight the historical context and technical innovations of this advanced firearm.

This guide details the operation of the German L.Gr.W.36 50mm light mortar, as demonstrated by expert Ian McCollum. It covers assembly, leveling procedures, ammunition handling, and live fire execution, emphasizing the difficulty in visually tracking the projectile. The instruction highlights the importance of proper setup for accuracy.