Firearm Maintenance: FN SCAR Reassembly – Part 4

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 disassembly process for the gas trap variant of the M1 Garand, highlighting its differences from the later, more common models. It involves removing the bolt and operating rod first, then a specific screw to release the gas trap, followed by the sight block, before the gas trap assembly can be rotated off. This early design proved less reliable than the later gas piston system.

This guide details the process of replacing the standard bushing and firing pin assembly in a Thompson Center Encore receiver with the Fire Stick bushing kit. This modification is necessary to adapt the receiver for use with Federal's Fire Stick muzzleloader system, ensuring proper function and safety. The process involves careful disassembly of the original components and precise reassembly of the new Fire Stick-specific parts.

This YouTube video, titled "How to remove an angled rear sight without a gunsmith," offers a practical guide for firearm owners. The description indicates a live session at 6 pm Pacific, suggesting an interactive format. The core content focuses on a specific firearm maintenance task, aiming to empower users to perform the procedure themselves, thus avoiding the need for professional gunsmith services. The video is likely to appeal to individuals interested in DIY firearm care and modifications.

This guide details the installation and adjustment of a Ballistic Engineering drop-in trigger for AR-15 and AR-10 platforms. It covers placing the unit, securing it with pins, tensioning with set screws, and function testing for a crisp break and reset. The process requires specialized tools and careful attention to ensure proper fit and function.

This guide details the process of installing an optic on a Glock Gen5 pistol. It covers ensuring firearm safety, disassembling the slide, selecting the correct optic plate (including options for RMR, C-More, and Leupold/EOTech footprints), mounting the plate and optic, and reassembling the firearm. The importance of using manufacturer-provided screws and adhering to torque specifications is emphasized.

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.