So I almost blew up a rifle today.

This guide details the advanced process of assembling an AR-15 lower receiver, drawing from expert techniques observed in the video. It covers the installation of critical components like the trigger group, safety selector, and buffer system, emphasizing the use of specialized tools and methodical assembly. The builder demonstrates high-level armorer skills, including custom fitting parts for optimal performance.

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 details the field stripping process for the Beretta AR-70, a Cold War-era assault rifle. The video, presented by Brandon Herrera, demonstrates a comprehensive disassembly, highlighting its AK-derived piston system and AR-style pins. Herrera, exhibiting high authority and deep knowledge, walks viewers through each step, emphasizing the importance of understanding the rifle's internal mechanics for maintenance and reliability.

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 addresses a common failure point for AR-15 charging handles, where the component can shear off at the gas key interface. The video highlights a user's experience of a charging handle breaking on its first day at the range, suggesting either a defective part or an issue with an older firearm. The expert emphasizes that a broken charging handle requires immediate replacement.

This guide details the construction of two essential AR-15 configurations: a compact 11.5-inch 'SHTF' build and a versatile 16-inch 'Recce' build, both chambered in 5.56 NATO. The video emphasizes component selection, the importance of barrel length for performance, and the value of chronograph data for verifying ballistics. It also advises new shooters to buy complete rifles while encouraging experienced builders to focus on tolerance stacking for personalized performance. The instruction comes from an expert with high technical proficiency in AR-15 platforms.

This video demonstrates a rapid fire drill focusing on efficient magazine reloads and immediate resumption of fire. The shooter, equipped with tactical gear and an M4 Carbine with an ACOG optic, showcases proficient weapon manipulation and recoil control. The drill emphasizes maintaining a high rate of fire while executing smooth tactical reloads.

This review of the Springfield M1A Scout Squad after 7,000 rounds highlights its robust reliability, especially with steel-cased ammunition. The instructor, speaking with high authority from extensive practical experience, details maintenance tips like using grease for lubrication and warns about potential malfunctions caused by glove interference with the operating rod. Cosmetic wear, such as brass marks on the stock, is viewed as a 'badge of honor' from heavy use.

This guide, presented by Regular Guy Training LLC, advocates for using readily available and cost-effective automotive lubricants for firearms. The instructor, drawing on military experience with belt-fed weapons and high-volume shooting, explains why conventional motor oil and high-temperature lithium grease are superior and more economical than many specialized gun lubes. It covers platform-specific recommendations, including considerations for cold weather and different firearm designs like AR-15s, AK-47s, and Glocks.

This guide details building a reliable AR pistol, emphasizing component selection for hard-use scenarios. It covers barrel and gas system choices, DI vs. piston considerations, and the importance of quality upper and lower receivers. The build focuses on practical reliability and shooter ergonomics, including ambidextrous controls and essential accessories, with a total cost around $1600 for the base build.