All the Blammo: HK51 at the Range

This review compares the Valmet M78 and FN-D light machine guns, with John Keene favoring the FN-D due to its quick-change barrel feature. Ian McCollum raises a practical point about the necessity of barrel changes versus ammunition capacity. Ultimately, both firearms are recognized as excellent, with the choice depending on specific tactical priorities.

This review covers the limited edition HK SP5L Elite, a 9mm PCC known for its roller-delayed blowback system. The firearm demonstrates exceptional accuracy at 50 yards with minimal recoil, making it a fun and soft-shooting platform. While effective out to 200 yards, its practical limit for 9mm is around 250 yards. The reviewer, an experienced firearms expert, highlights its value for recreational shooting and accuracy, despite a long trigger reset.

This video delves into the philosophy and practical considerations of using Pistol Caliber Carbines (PCCs), with a strong focus on the Heckler & Koch MP5, for potential SHTF scenarios in 2026. It covers the historical significance of the MP5, its roller-delayed blowback system, manual of arms, maintenance, and attachment options. The discussion also touches upon modern alternatives like the Sig Sauer MPX and the importance of ammunition selection and training.

This video provides an expert-level deep dive into the Sig AMT 510-4, a roller-delayed blowback rifle. The instructor, a recognized subject matter expert, thoroughly explains its historical lineage, unique mechanical features like the Swiss ejection system, and compares it to related designs such as the CETME and HK G3. The video also touches on the modern resurgence of roller-delayed systems.

Ian McCollum of Forgotten Weapons provides an in-depth technical analysis of the MG-42, a pivotal German machine gun from WWII. He details its design evolution from the MG-34, highlighting the advantages of stamped steel construction for mass production and the innovative roller-locking mechanism. The video emphasizes the MG-42's full-auto-only operation and its historical significance.

This video provides a comprehensive comparison between the Heckler & Koch MP5 and its compact variant, the MP5K. It details the physical differences, historical context, popular manufacturers, and modern accessory solutions, particularly for optics. The discussion also touches upon the MP5SD concept and offers insights into choosing between the full-size and compact models based on intended use and concealability.

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.