Quick Tip: Why the Mag Won't Lock in Your AR-15

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 an expert firearm instructor's attempt to disassemble the Madsen 1945 pistol. Despite extensive knowledge and comparison to other models like the Colt 1903 and Ruby pistols, the instructor faces a challenge with this specific firearm. The video highlights the difficulty in identifying the correct disassembly procedure, focusing on the barrel's knurling and a non-obvious slide plunger mechanism.

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 troubleshooting and maintenance for the Beretta 92XI with a .22LR conversion kit, based on insights from PoorBoy Arms. It covers proper cleaning, lubrication, and part polishing to address potential malfunctions and prevent damage, particularly concerning the slide not locking open. The process emphasizes safety and methodical steps for improved firearm 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 details the process of lapping an AR-15 receiver to ensure proper barrel alignment for improved long-range accuracy. Instructor Stephen Caleb from Brownells explains that receiver faces can be slightly out of alignment, leading to barrel runout. The process involves using a specialized lapping fixture and aluminum oxide lapping compound with a drill to create a perfectly flat receiver face. This ensures the barrel seats flush and square, critical for precision shooting beyond 500 yards.

This guide details the installation of a Geissele MK8 Super Modular Rail on an AR-15 platform. It covers securing the upper receiver, installing the barrel nut, gas system, and the rail itself, emphasizing the use of specialized tools and proper torque specifications. The process requires an intermediate skill level and careful attention to detail for a secure and functional build.

This guide, based on expert instruction from Brownells, details essential practices for proper ammunition storage. It emphasizes using airtight containers, managing humidity with desiccants, and maintaining stable temperatures to ensure ammunition reliability and safety. Proper storage is crucial for preventing corrosion and propellant degradation, especially for sensitive components like primers.

This guide details the process of upgrading an AR-15 from standard A2 furniture to Magpul components. It covers the removal of the A2 pistol grip and installation of the Magpul MIAD Grip and Magpul PRS Stock. The video demonstrates efficient assembly using specialized tools, highlighting the ergonomic benefits and adjustability of the Magpul parts. Instruction is provided by Brownells, a recognized industry authority.

This entry details the creation of a movie prop suppressor for a Remington 11-87 used in 'No Country for Old Men.' Prop master Larry Zanoff explains how the suppressor was designed to look homemade and was non-functional, with sound effects added in post-production. The process highlights the creative problem-solving involved in film armory.