Caleb from Brownells provides a detailed installation guide for the Geissele Mk18 handguard on an AR-15 platform. The video covers the necessary tools, preparation steps, barrel nut torquing, gas system installation, and final handguard mounting. It emphasizes proper torque specifications and alignment for a rigid and precise build, highlighting the handguard's suitability for precision AR-15 builds.
This guide explains the benefits and installation of free-float handguards for AR-15 platforms, emphasizing their role in improving accuracy and modularity. It details different types like quad rail, MLOK, and carbon fiber, and provides a decision matrix for selecting the right handguard based on build objectives and budget. The video also covers common mistakes, maintenance, and debunks myths surrounding free-float systems.
This video introduces 1791 Leather's new line of ultra-lightweight firearm components, primarily focusing on their Magnite handguards and accessories for AR-15 and AK platforms. The material, a patented magnesium alloy produced at the nanoparticle level, is highlighted for its strength and significantly reduced weight compared to traditional materials. The presentation includes a demonstration of the installation process for their handguard system and comparisons of component weights.
This video details the cause of a 'clocked barrel' in a PSA upper receiver, which is the barrel rotating within the upper receiver during barrel nut installation. The issue stems from improper fixtures not holding the upper and barrel securely, allowing the barrel index pin to peen over the receiver material. The instructor recommends using the correct tools, such as Midwest Industries rod, to prevent this common assembly error and ensure proper alignment.
This guide details the proper techniques for assembling AR-15 upper receivers, emphasizing the correct tool selection to prevent damage. Instructor Chad Albrecht of School of the American Rifle highlights the critical importance of using tools that engage both the upper receiver and barrel extension for barrel nut installation, and barrel-holding tools for muzzle device work. Improper tool usage can lead to catastrophic failures like sheared index pins and unthreaded barrel extensions.
This video from School of the American Rifle details the proper application of Aeroshell 64/33MS grease on AR-15 components. The instructor emphasizes using this specific grease on interfaces with dissimilar metals, such as steel barrel nuts and aluminum receivers, to ensure consistent torque values and prevent seizing over time due to environmental factors and firing residue. While other greases can be used, Aeroshell is recommended for its reliability in achieving accurate torque.
This guide details common mistakes made during AR-15 lower receiver assembly, as explained by Steven Caleb from Brownells. It covers preventing damage to the trigger guard ear, avoiding scratches during bolt catch pin installation, correctly orienting the hammer spring, and the importance of using the right tools. Following these steps ensures a properly functioning and aesthetically sound firearm.
This guide, presented by Randy from AT3 Tactical, details the process of installing a barrel nut on an AR-15 rifle, specifically for free-floated handguards. It emphasizes the use of specific tools and torque values for a proper installation. The expert instruction covers securing the receiver, greasing components, and achieving the correct torque for reliable firearm function.
Cameron Tapler from Palmetto State Armory details the installation of their new Sabre Lockup rail system. This system features a patent-pending barrel nut and a handguard that threads directly onto it, eliminating the need for shims. The installation involves specific torque values for the barrel nut and front collar, followed by precise alignment of the handguard to the 11 o'clock position before final torquing and securing with set screws.
This video provides a first look at the Fortis Camber Rail, highlighting its unique camming barrel nut system for quick installation and removal. The presenter details the rail's features, including integrated QD sockets and M-LOK compatibility, and walks through the installation process, emphasizing the ease of use and solid lock-up achieved by the camming mechanism. The review also praises Fortis's clear and detailed installation instructions.
This live Q&A session from Small Arms Solutions covers a wide range of firearms and accessories. Topics include a unique Colt AR-15A2 Sporter II with a trigger set screw, discussions on popular calibers like 300 Blackout and 5.7x28mm, and reviews of new pistols like the Sig P322 and P320. The session also delves into AR-15 components such as gas blocks and barrels from Criterion and Ballistic Advantage, and explores ammunition market trends for Soviet calibers. Practical advice is offered on stripped lower receiver threads and suppressor compatibility with new rounds like 8.6 Blackout. The speakers also touch on the reliability of various firearms and offer opinions on piston vs. direct impingement systems.
Dustin from Real Avid showcases their Master Gun Vise at the Palmetto State Armory Gathering 2022. The vise features a 360-degree ball and socket design that can be locked into multiple positions. A key innovation is the torque lock pin, which allows the vise to withstand up to 100 foot-pounds of torque, making it suitable for tasks like tightening barrel nuts. The vise also includes interchangeable hard nylon jaws for Picatinny, ARCA, and Swiss rails, as well as soft jaws for delicate components like shotguns.
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