From the Vault: M1919A4 Browning Machine Gun

This guide provides an overview of the Browning Model 1919 Tank Machine Gun, focusing on its key design features and historical context. It highlights the evolution from the water-cooled Model 1917, the air-cooling system, and specific components like the bolt stop lever and barrel shroud. The information is presented with the authority of a firearms expert, detailing the historical significance and technical aspects of this iconic weapon.

This guide details the installation of a Drop-In Auto Sear (DIAS) into an AR receiver, a process that converts the firearm to full-auto. The DIAS is a self-contained, legal machine gun that can be moved between compatible AR platforms. Due to its NFA classification, understanding its legal status and transferability is crucial. The video highlights the extreme rarity and high market value of pre-1986 registered DIAS units.

This video provides an in-depth, expert-level guide to disassembling the Bergmann MG 15nA, a World War 1-era light machine gun. Curatorial Assistant Joe Ford meticulously walks through each step, from removing the feed tray cover and buttstock to extracting the bolt, barrel, and locking mechanisms. The guide highlights the unique design features and operational principles of this historically significant firearm, offering valuable insights for gunsmiths and firearms enthusiasts.

This entry details the Hiram Maxim Extra Light Maxim Gun, a rare air-cooled variant developed around 1895. It highlights its significantly reduced weight (27-28 lbs) compared to standard Maxims, intended for mobile cavalry use. Key features include its .303 British caliber, specific markings, and internal design changes like the relocated fusee spring. Despite its innovative design, it was a commercial failure with only 135 units produced.

This guide details the field stripping procedure for the Marlin Model 1917 Machine Gun, as demonstrated by Ian McCollum. It covers the removal of the pistol grip, side plates, recoil springs, feed sprocket, and barrel. The video emphasizes the unique design elements of this early gas-operated firearm.

This guide details the disassembly of the Colt MG38 machine gun, focusing on accessing the recoil spring and the unique lightened anti-aircraft bolt. It highlights the 'speed holes' on the bolt, which increase the rate of fire, and contrasts the MG38's features with earlier Browning designs. The process emphasizes safe handling and identification of key components like the top cover latch and barrel timing notches.

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.