Product Spotlight: Brownells BRN-9 Upper Receiver

This comprehensive guide from AT3 Tactical details the process of building an AR9 (Pistol Caliber Carbine). It covers essential component selection, including understanding terminology, choosing between Glock and Colt magazines, selecting dedicated upper and lower receivers, and specifying barrels, bolt carrier groups, muzzle devices, charging handles, handguards, and triggers. The series emphasizes practical considerations for reliability, maneuverability, and performance.

This guide details the installation of the NOVOX Research AR9 integrally suppressed barrel, a modification aimed at significantly reducing noise and gas at the shooter's ear. The process is presented as straightforward, taking approximately five minutes with basic tools. The video emphasizes the importance of bolt carrier compatibility for certain trigger systems and highlights the hearing-safe performance achieved with this barrel, making it a recommended upgrade for home defense applications.

This guide details how to create Glock flip magazines, a modification often used with Pistol Caliber Carbines (PCCs) for faster reloads. The process involves taping two Glock magazines together in a specific orientation. The video emphasizes maintaining correct tolerances for functionality. Instruction is provided in a casual, step-by-step manner, suitable for intermediate DIY enthusiasts.

This guide details the installation of the Nexus Firearms Billet Kuna Lower receiver onto a Springfield Kuna pistol-caliber carbine. The process involves replacing the factory lower with the billet aluminum upgrade, which allows for AR-15 compatible triggers and grips, as well as enhanced magazine compatibility, particularly with CZ Scorpion magazines. The guide emphasizes safety checks and verification of all functional controls post-installation.

This guide details a DIY modification to create an MP5 flip magazine, commonly used with Pistol Caliber Carbines (PCCs) that accept MP5 magazines. The process involves securely taping two MP5 magazines together in an inverted, stacked configuration. This allows for a faster transition to a fresh magazine by flipping the coupled unit. The video demonstrates the technique with an experienced speaker, emphasizing a stable and secure bond for reliable performance.

This guide details the process of modifying an MP5 platform to incorporate AR-style controls using the Lee Sporting SP5 Lower. The modification aims to improve ergonomics and handling, making the classic MP5 platform more user-friendly for modern shooting applications. Expert instruction highlights the benefits of this upgrade for dedicated MP5 enthusiasts.

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.