How to Combine the AR-15 Upper & Lower Receivers Presented by Larry Potterfield of MidwayUSA

This guide details the reassembly process for the Ruger Harrier Rifle, emphasizing critical safety precautions. It covers the step-by-step installation of the bolt, bolt carrier, cam pin, firing pin, charging handle, and the joining of upper and lower receivers. The instructions are delivered with expert clarity, ensuring proper function and safe operation after reassembly.

This guide, presented by School of the American Rifle, details how to identify and replace a malformed weld spring in an AR-15 Delta Ring assembly. A misaligned weld spring can cause the gas tube to be pushed off-center, leading to excessive friction or damage to the carrier key and gas tube. Replacing the faulty component ensures proper gas tube alignment and firearm reliability.

This video focuses on assembling or discussing a lower receiver specifically for a 'Lima Six Belt Fed Upper'. The description emphasizes educational or artistic purposes and strongly promotes firearm safety, legal compliance, and seeking professional instruction. It explicitly states that viewers agree to be of legal age and to follow all applicable laws by watching. The content appears to be aimed at firearm enthusiasts interested in building or understanding specific firearm configurations.

This YouTube video offers practical tips and techniques for polishing stainless steel firearm components. The content focuses on achieving a high-quality finish on gun parts, likely aimed at gunsmiths, hobbyists, and firearm enthusiasts looking to customize or maintain their weapons. The video emphasizes real-world application and likely demonstrates various methods and tools used in the polishing process for stainless steel firearms.

This entry details the unique XR-86 custom rifle, a 1986 build by Wilfred Ellis. It masterfully combines components from an M60 (flash hider), an M14 (gas system), and an AR-15 (trigger, bolt, locking system). The AR-15 trigger is notably rotated 90 degrees, and its bolt is integrated with the M14 gas system, showcasing advanced gunsmithing.

This guide details the installation of an aftermarket AR-15 trigger, specifically a Timney Triggers product. The process involves unboxing the trigger, identifying its modular components like interchangeable shoes, and then carefully installing it into a lower receiver. A function test is crucial to confirm correct operation. The speaker demonstrates proficiency with firearm components and installation procedures.

This video showcases advanced Cowboy Action Shooting techniques demonstrated by The Lever Action Kid. It highlights rapid engagement with a lever-action rifle, followed by a high-speed transition to dual single-action revolvers. The stage concludes with efficient manual reloading of a side-by-side shotgun.

This video provides an in-depth look at the Mosin-Nagant M91/30 PU Sniper rifle, showcasing its historical significance and operational features. It details the firearm inspection, loading procedures for 7.62x54R rounds, and a live-fire demonstration. The expert handling and clear visuals highlight the rifle's characteristics and performance.

This video details the complex gunsmithing process of reboring a Winchester 1885 Low Wall rifle from a pitted .32 Rimfire to a .357 Magnum. It covers barrel removal, sending it to a specialized shop for reboring and rifling, precise chambering and crowning on a lathe, and converting the action from rimfire to centerfire. The process concludes with barrel marking and finishing.

This video details the internal mechanics and cycle of operation for the Winchester Model 12 pump-action shotgun using a cutaway model. It explains the loading process into the magazine tube, the function of the safety mechanism, and the sequence of firing, extraction, and chambering. The demonstration highlights the hammerless design and the interaction of key components like the extractor and ejector.