Experimental AG-42B Conversion to 7.62mm NATO

This guide details the field stripping process for the rare Armalite AR-16, as demonstrated by Ian McCollum on Forgotten Weapons. It covers the disassembly of the bolt, recoil springs, and gas piston, highlighting the rifle's unique internal mechanisms. The AR-16 is presented as an important transitional design between the AR-10 and AR-18.

This guide details the modifications and key features of the AK fm/54 prototype Swedish paratrooper rifle. It highlights the use of a Carl Gustaf m/45 folding stock, a unique 20-round 7.62 NATO magazine, and a conversion to a short-stroke gas piston system. The video provides an educational and analytical overview from Ian McCollum, demonstrating high expertise in historical firearms.

This entry details the Våpensmia NM-149S, a Norwegian sniper rifle conversion of the German Gewehr 98. It highlights key modifications including a switch to 7.62 NATO, the addition of a detachable 5-round magazine, a bent bolt handle for optics, and a 90-degree safety lever. The information is presented with high authority by Ian McCollum of Forgotten Weapons.

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 video provides an in-depth look at an MG 42 parts kit, focusing on its design and manufacturing techniques from a gun designer's perspective. The presenter highlights the innovative use of stamped sheet metal, the complexity of the feed mechanism, and the overall engineering achievement of the MG 42, particularly its early adoption of advanced manufacturing processes for its time. The discussion also touches upon the MG 42/59 variant and its caliber conversion.

This guide details the modifications required to achieve the reduced rate of fire on a Rheinmetall MG42/59. Key changes involve installing a significantly heavier bolt assembly and a specialized friction buffer, alongside a 7.62 NATO barrel and modified feed tray and top cover. Expert Ian McCollum highlights these as crucial for the commercial export models' distinct firing characteristics.

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.