The Russian PP-19 Bizon at home.

This guide details the design and prototyping of a high-capacity helical magazine, drawing inspiration from historical designs like the Lewis and Bren guns. It covers the mechanical principles for reliable feeding, the use of SolidWorks for precise CAD modeling, and considerations for future scaled-up, gear-driven versions intended for custom firearms. The speaker, Hoffman Tactical, demonstrates advanced knowledge in firearm accessory design and fabrication.

This guide details the field stripping and reassembly of the PP-19 Bizon, a rare Russian submachine gun. Expert instruction from Larry Vickers highlights its unique blowback, closed-bolt operation and its M13 Industries build. The process involves removing the dust cover, recoil spring, and bolt carrier, noting key differences from standard AK platforms.

This guide details the disassembly of the North Korean Type 88 helical drum magazine, as demonstrated by Ian McCollum on Forgotten Weapons. The video reveals the magazine to be a hollow prop, not a functional ammunition feeding device, despite its impressive estimated capacity and unique mounting system compatible with standard AK rifles. Expert analysis highlights its use in North Korean media and its comparison to other helical designs.

This guide details the field stripping and magazine loading process for the rare Danuvia Forte VD-01 pistol, featuring a unique helical magazine. Expert Jonathan Ferguson of the Royal Armouries explains the pistol's mechanics, including its blowback system and polygonal rifling. The guide emphasizes safe handling and the specific loading procedure for the high-capacity helical magazine.

This live stream features a discussion between Evan Jones and the host of Hoffman Tactical about the development and scene of 3D-printed firearms and home-built weapon systems. They delve into the challenges and possibilities of creating accessible, DIY firearms, exploring concepts like flywheel delayed blowback, caseless ammunition, and advanced feeding mechanisms. The conversation highlights the trade-offs between accessibility and performance, the importance of user-friendliness for global adoption, and the innovative approaches being taken in the DIY firearms community.

This video showcases a collection of 'cursed' firearms, highlighting extreme and often impractical modifications. Expert Brandon Herrera, a known firearm manufacturer, delves into custom builds like the 'Kalash-Bren' and 'Trash Shovel AK,' alongside historical prototypes and 3D-printed designs. The content emphasizes creative, albeit unconventional, approaches to firearm customization and design.

This guide covers the setup and operation of the Daniel Defense DDM4 PDW in .300 Blackout, as presented by a firearms instructor. It details the installation of common accessories like suppressors, lights, and optics, along with magazine loading and stock adjustment. The video emphasizes the PDW concept's utility and the effectiveness of the .300 Blackout cartridge, concluding with a live-fire demonstration.

This video features Tim from Military Arms Channel demonstrating the Remington 742 semi-automatic rifle chambered in .30-06 Springfield. He compares the .30-06 cartridge to the 5.56x45mm used in AR-15s, highlighting the power difference. The demonstration includes live fire at a steel target, showcasing the rifle's operation and magazine insertion.

This guide details the installation of the AR-57 upper receiver onto a standard AR-15 lower receiver, enabling the use of the 5.7x28mm cartridge. It also covers a practical modification using a Magpul PMAG as a brass catcher, demonstrating how spent casings are ejected downward through the AR-15's magazine well. The information is presented with high authority by Military Arms Channel, a recognized firearms reviewer.

This guide details how to swap the stock on a Ruger Mini-14, demonstrating its modularity by replacing a synthetic stock with a classic wood folding stock. The video features a live-fire demonstration of the rifle in its 'A-Team' style configuration, highlighting its rapid-fire capability. The host, a recognized firearms expert, provides an informative and confident assessment.