Colt LE-901 Modular Multi-Caliber AR: A Well-Designed Failure

This video delves into the historical competition between the Ruger Mini-14 and the AR-15, explaining how the Mini-14 outsold the AR-15 in the early 1980s due to its affordability and traditional design appeal. The host, demonstrating high expertise, showcases modern Mini-14 features like the Samson folding stock and bayonet lug, while also comparing its accuracy to the AR-15.

This expert-level comparison by Ian McCollum of Forgotten Weapons evaluates the sound differences between a real XM-177 moderator and a fake flash hider, using a standard M16 as a baseline. The testing highlights the extreme loudness of the fake flash hider and references historical military data to underscore the effectiveness of the original XM-177 moderator in reducing both flash and sound.

Colion Noir assesses the $600 Ruger Harrier AR-15, concluding it's sufficient for most users who desire a functional, reliable rifle without complex modifications. He highlights its balanced handling and adequate performance at typical engagement distances (50-100 yards), comparing it favorably in perceived quality to a much more expensive HK MR556. This review targets the 'guy who just wants a rifle' rather than the 'AR guy' focused on building.

Colion Noir reviews the Ruger Harrier, an AR-15 platform rifle priced around $600, arguing it's sufficient for most users. He highlights its modern aesthetic, tight upper/lower lockup rivaling more expensive models, and balanced handling. The review targets the 'guy who just wants a rifle' rather than a project build, emphasizing its value as a reliable, modern, and adaptable firearm.

This video showcases a custom AR-15 build with striking red anodized accents on components like the buffer tube, safety selector, and charging handle. The build features a micro red dot sight and a Magpul PMAG magazine. The presenter humorously compares the expense of custom firearms to past habits, highlighting the financial commitment involved in such builds.

This review of the BRN-4 highlights its external piston system, addressing common AR-15 criticisms like carrier tilt. The speaker, drawing on military experience with machine guns, discusses the advantages of this design, particularly in comparison to traditional AR platforms and AK-47 logistics. The primary drawback mentioned is a slight weight increase.

This video details the unique 'French Finger Trap' issue with the MAS-36 rifle's bayonet, where two rifles can become unintentionally locked together. A 1951 French arsenal memorandum identified this problem, proposing a simple modification to the bayonet handle. Drilling a small hole allows a tool, like a firing pin, to depress the internal spring, enabling the separation of locked rifles.

The M134 Minigun is a scaled-down 7.62 NATO rotary cannon, requiring 24V DC power and consuming 1.5 kW. Its high rate of fire (3,000+ RPM) is essential for aircraft engagement windows. The complex delinker mechanism is critical for feeding ammunition, and practical hand-held use is impossible due to weight and recoil. Live fire demonstrates rapid ammunition consumption and the need for indirect aiming.

The H&K G11 is a revolutionary prototype assault rifle designed in the late 20th century, notable for its caseless ammunition and unique rotating drum bolt mechanism. Despite advanced features like a 2000 RPM burst fire rate and integrated optics, its development was ultimately halted by geopolitical shifts and cost concerns.

This video demonstrates the assembly and live-fire of the German 1936 pattern light mortar (L.Gr.W.36). It highlights the mortar's leveling mechanism for accuracy and the difficulty in visually tracking its 50mm projectiles after firing. The content showcases historical military hardware and its operational use.