Aimpoint's Only Gun: The PC-80 Symmetrical Action

This guide details the field stripping and reassembly process for the ZKP-524, a rare Czech prototype pistol based on the 1911 design chambered in 7.62x25mm Tokarev. Expert Ian McCollum demonstrates the disassembly, highlighting unique features like the guide rod mechanism and the multi-function flat spring, while emphasizing the 1911-style procedure. Proper safety protocols are paramount throughout the process.

This guide details the field stripping and reassembly of the Tomiska Army Pistol prototype, as demonstrated by Ian McCollum. It highlights the unique disassembly process, which is similar to a Browning 1910 but features a simplified barrel lug release. The guide emphasizes safety precautions and provides step-by-step instructions for both disassembly and reassembly.

This video provides an expert-level look at the Aimpoint PC-80, a rare symmetrical action firearm developed by Aimpoint AB. Ian McCollum details its unique annular gas piston system, dual charging handles, and 8-round magazine, explaining the designer's experimentation with gas port placement to control dwell time and bolt unlocking. The presentation highlights the historical significance and technical complexity of this unique prototype.

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 field stripping and reassembly process for the ZK 381 prototype rifle, as demonstrated by Ian McCollum. It covers the separation of major components, including the receiver groups, recoil spring, bolt carrier, and gas system. The process highlights unique design elements like captive pins and the recoil spring housed in the buttstock. Proper safety protocols are emphasized throughout.

This guide details the field stripping process for the rare Stamm-Saurer Model 1913 long-recoil prototype rifle, as demonstrated by Ian McCollum. It covers the removal of major components for cleaning and inspection, highlighting the unique design elements of this early semi-automatic firearm. The process requires careful handling of internal parts and springs.

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.