Why gun magazines are one of the hardest parts to design

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 video focuses on planning an extremely budget-friendly AR-15 build, currently priced at $340 and aiming for a total of around $500 including essential accessories like a light, foregrip, and sling. The creator is actively seeking community input for cost-effective component suggestions to feature in future content, highlighting a collaborative approach to accessible firearm customization.

This guide details the installation of the Halbeck device, a clip-on muzzle brake redirector developed in Rhodesia. The process involves securing the device via a spring-loaded catch and a locking pin that engages with the R1 rifle's muzzle brake ports. The device is noted for its potential use in launching rifle grenades. Instruction is provided by Ian McCollum, demonstrating expert knowledge of historical firearms accessories.

This guide, based on expert analysis by Ian McCollum of Forgotten Weapons, details how to identify dangerous amateur headspace adjustments on an AK-type rifle. It focuses on inspecting the bolt's locking lugs and barrel for signs of grinding and improper machining. The video strongly emphasizes the extreme danger of such modifications and advises consulting a professional gunsmith if identified.

This guide details the process of lapping an AR-15 receiver to ensure proper barrel alignment for improved long-range accuracy. Instructor Stephen Caleb from Brownells explains that receiver faces can be slightly out of alignment, leading to barrel runout. The process involves using a specialized lapping fixture and aluminum oxide lapping compound with a drill to create a perfectly flat receiver face. This ensures the barrel seats flush and square, critical for precision shooting beyond 500 yards.

This guide details the unique magazine loading and barrel disassembly process for the Little Tom pistol, the world's first DAO automatic. It highlights the bi-directional magazine insertion and the barrel's lug-and-slot locking mechanism, as demonstrated by Ian McCollum on Forgotten Weapons.

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.