Bergmann's MP35 Submachine Gun: It Feeds From the Wrong Side

This video details the process of repairing a chopped receiver section from a Star Z70 parts kit. Mark Serbu, a gun designer, demonstrates how to fabricate and weld in replacement metal to restore the structural integrity and form of the receiver. He emphasizes using an expanding mandrel for alignment and copper flashing to protect against welding spatter, while also discussing techniques to minimize heat distortion and achieve a functional repair using 'caveman tools' and optional CNC machining.

This guide details the field stripping and reassembly process for the CBJ-MS submachine gun, as demonstrated by Ian McCollum. It covers removing the bolt carrier group, recoil spring, and stock, emphasizing a simple, robust design derived from Swedish firearms heritage. The process highlights the weapon's stamped stainless steel receiver and its compatibility with accessories like M16 bipods.

This guide covers the partial disassembly of the Madsen Model 1945 submachine gun, as demonstrated by Ian McCollum. It highlights the challenges encountered even with reference materials, emphasizing the complexity of this rare firearm. The video showcases the importance of understanding historical firearms and the potential difficulties in their maintenance.

This guide details the field stripping process for the Walther MPK and MPL submachine guns, as demonstrated by Ian McCollum. The process is straightforward, involving the removal of a single captive cross pin to separate the receivers and allow access to the bolt and recoil spring assembly. This procedure is essential for routine cleaning and maintenance of these historical firearms.

This guide details the field stripping process for the Sten MkI and MkI* submachine guns, as demonstrated by Ian McCollum on Forgotten Weapons. The process is simplified for cost-effectiveness, involving the removal of two screws to detach the barrel and then sliding the bolt out of the receiver tube. The video highlights the basic blowback operation and the fixed firing pin.

This guide details the disassembly of the STG-M1A, a firearm legally classified as a Stemple 76/45 but visually resembling a Thompson submachine gun. Expert Ian McCollum demonstrates how the Stemple receiver tube, the serialized part, is housed within a Thompson-style dummy receiver, allowing for a Thompson-like experience while adhering to NFA regulations. The process involves separating the upper receiver housing to access the internal Stemple tube.

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.