Aly & Kaufman AKB-23: Better Than the SA80 / L85

This guide details the installation of the Aly & Kaufman AKB-23 bullpup conversion kit, transforming a Brownells BRN-180 upper receiver into an L85-style rifle. It covers the integration of the milled aluminum lower, AR-15 fire control group, and the unique trigger linkage system. The use of 3D printed polymer furniture for aesthetics and ergonomics is also highlighted.

This guide details the installation and live-fire demonstration of the AKB-23 Bullpup Conversion kit, which utilizes a Brownells BRN-180 upper receiver to achieve an L85-like appearance. The video features firearms expert Tim Harmsen showcasing the rifle's aesthetics and firing characteristics. The conversion is noted for its accuracy to the original design, making it appealing to collectors.

This guide details the examination of early SA80 (L85) prototypes, including wooden mockups and functional conversions of Sterling AR-180 and Stoner 63 rifles. It highlights key design elements like the bullpup configuration, straight-line stock, and trigger linkage, offering insights into the rifle's developmental stages. The information is presented with high authority by Ian McCollum, drawing on access to historical archives.

This guide details the field stripping and reassembly of the SAR-80, a semi-automatic rifle based on the AR-18 design. Expert Ian McCollum demonstrates the process, highlighting its simplicity and the dual recoil spring system. The SAR-80 is noted for its stamped steel construction and short-stroke gas piston operation, making it a robust, no-frills military firearm.

This guide outlines the process of modernizing a classic design using the Brownells BRN-180 Gen 2 Upper receiver. It focuses on adapting the AR-180's piston system to AR-15 lowers, incorporating modern features like M-LOK and a monolithic rail. The information is presented with technical depth, drawing on expertise from Brownells' Paul Levy and firearms historian Ian McCollum.

This guide details the disassembly and reassembly process for the Brownells BRN-180 Piston Upper Receiver, based on expert review. It emphasizes a straightforward procedure involving the removal of the charging handle, recoil springs, and bolt carrier group. The review highlights the piston system's cleaner operation compared to direct impingement.

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.