How Does it Work: Stoner's AR System

This video provides an expert-level breakdown of two custom AR-style rifle builds: one in 6mm ARC and another in 8.6 Blackout. The presenter, Justin from Cerebral Firearms, details specific components from manufacturers like Faxon Firearms, Griffin Armament, and Ranier Arms, offering insights into build choices and potential upgrades. He also touches on the use of the ACE Virtual Shooting Trainer and discusses the implications of upcoming gun legislation in Virginia.

This expert guide from the School of the American Rifle details how to identify and address rough carrier key bores in AR-15 bolt carrier groups. The instructor, demonstrating expert knowledge, explains how these manufacturing defects, particularly on Colt components, can lead to premature wear on the gas tube and reduced reliability. Solutions involve replacing the defective carrier key to ensure smooth operation and longevity of the firearm.

This guide details how to reload budget-friendly 223 Remington ammunition using Berry's 55 and 62 grain bullets and Accurate 2520 powder. It covers component selection, progressive press setup, load data considerations, field testing with a chronograph, and cost analysis, highlighting significant savings by reusing brass. The presenter, Serena, brings over 10 years of competitive service rifle experience and extensive behind-the-scenes work at Ultimate Reloader.

This guide clarifies the operational mechanics of the AR-15/M16 gas system, distinguishing it from true Direct Impingement (DI) systems. Drawing on Eugene Stoner's patents and visual evidence of components like the bolt carrier group, it explains the AR-15's internal piston design. The information is presented with high authority, referencing historical firearms and patent details.

This guide details the assembly and initial live-fire testing of a unique firearm configuration: an Icon Marketing Group 12-gauge upper receiver paired with a Palmetto State Armory .308 lower receiver, featuring a Grey Market Research Super Safety. The process involves careful component integration, ammunition selection, and live-fire evaluation to assess performance, including cycling, ejection, and recoil management. Instruction is provided by an experienced individual demonstrating hands-on knowledge of custom firearm builds.

This expert guide from School of the American Rifle details how to identify and replace a malformed weld spring in an AR-15's delta ring assembly. A misaligned weld spring can cause gas tube issues, leading to potential component damage. The video provides a clear visual comparison and step-by-step instructions for replacement, emphasizing proper alignment for optimal function.

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.