This guide, presented by School of the American Rifle, details how to identify and replace a malformed weld spring in an AR-15 Delta Ring assembly. A misaligned weld spring can cause the gas tube to be pushed off-center, leading to excessive friction or damage to the carrier key and gas tube. Replacing the faulty component ensures proper gas tube alignment and firearm reliability.
This guide details the process of diagnosing and fixing a significant rail wobble issue on a new Daniel Defense Mk18 upper receiver. The primary cause identified was a hand-tight barrel nut, compromising the stability of the RIS II rail system. The steps involve disassembly, inspection of the barrel nut, proper tightening with an armorer's wrench and torque wrench, and reassembly. This addresses a critical quality control failure that can affect firearm accuracy and reliability.
This video is a product spotlight featuring the Radian Model 1 Rifle. Caleb from Brownells and Josh from Radian detail key components such as the Dead Air muzzle device, 416R stainless steel barrel, billet upper and lower receivers, gas block, barrel nut, bolt catch, Mag release, Talon safety selector, buffer tube, QD plate, bolt carrier, forward assist, and the SD charging handle. They also discuss the Vertex trigger and mention the availability of different lengths, calibers, SPR, and brace options. The video aims to inform viewers considering building or purchasing a complete rifle.
This video details a teardown and inspection of a PSA/H&R XM177 complete upper receiver, revealing significant issues with the barrel nut installation. The description highlights excessive torque (300 ft lbs) which caused the index pin to bend and gouge the receiver. The presenter also notes that PSA/H&R's representative, Mike, dismisses these findings. The presenter subsequently corrected the issues by replacing the index pin, properly lubricating and torquing the barrel nut, bedding the barrel, and using the correct jig, resulting in proper alignment of the FSB and barrel extension.
This video focuses on a specific assembly issue with a new Colt M4A1 SOCOM rifle. The primary problem identified is the barrel nut being tightened past top dead center, impacting proper timing. The presenter details the process of removing and reinstalling the barrel nut to the correct torque and timing, aligning the bent gas tube, and reassembling the rifle. A successful test fire confirms the rifle now functions correctly. The description also touches on Colt's current ownership by CZ and their general standing in the AR market, noting no significant decline since the acquisition.
This SmythBusters episode tackles five common myths surrounding AR-15 rifle builds. The video debunks misconceptions about using reaction rods, the state of raw aluminum after lapping, gas block alignment, clamping the barrel for muzzle device installation, and the practice of using a torque wrench for barrel nut removal. Key takeaways include alternative methods to reaction rods, the protective benefits of grease on lapped aluminum, the forgiving nature of gas port hole sizing, the acceptability of clamping for muzzle device work, and that torque wrenches are not ruined by barrel nut removal. The video aims to educate viewers and set the record straight on these building practices.
This guide details common AR-15 assembly errors, drawing from expert instruction by Steve and Caleb of Brownells. It covers critical steps like correct barrel nut indexing, the importance of 'Oops kits' for spare parts, proper castle nut orientation, and the precise installation of the disconnector spring. Adhering to these technical details prevents dangerous malfunctions and ensures reliable firearm function.
This guide, presented by Steven Caleb from Brownells, details the top 5 common mistakes made during AR-15 builds. It covers issues like breaking trigger guard ears, scratching the receiver during bolt catch pin installation, incorrect hammer spring orientation, improper trigger pin retention, and the misuse of tools. Following these expert tips ensures a more reliable and aesthetically pleasing firearm build.
This video emphasizes the importance of double-checking work on a firearm, specifically highlighting the hand-tightened barrel nut on a Colt 6920. It serves as a cautionary tale and a practical tip for all firearm owners, regardless of their equipment's manufacturer, stressing the need for thoroughness in firearm maintenance and assembly. The focus is on the principle of verifying your work to ensure safety and proper function.
This YouTube video provides a detailed tutorial on installing the Forward Control Designs RHF Handguard, hosted by Caleb from Brownells. The content includes an unboxing of the handguard, a demonstration of the necessary tools, and a step-by-step installation process. Key steps covered include applying lubricant to the barrel extension, seating the barrel, installing the barrel nut, and correctly assembling and securing the handguard onto the upper receiver. The video encourages viewer engagement through comments and offers direct support via a tech line, promoting further content from Brownells.
This YouTube video, titled "The Gorilla Gun Project," details the extensive testing and abuse a firearm has undergone over several months. The description highlights the impressive durability of the "thing" being tested, specifically mentioning the robust M89 barrel nut, extrusion, and interface. The project's dual purpose was for entertainment and to ascertain the firearm's breaking point, revealing its surprising toughness.
This video from Brownells Gun Tech features Caleb Savant demonstrating the installation of the Sons of Liberty Gun Works (SOLGW) M89 Drive Lock Rail, an M-LOK® compatible, free-floating AR-15 handguard. The tutorial covers the critical steps, including proper installation of the proprietary barrel nut to 40 ft.-lbs., securing the handguard with nut-bolt-sleeve sets torqued to 25-30 in.-lbs., and the use of a unique anti-rotation pin for enhanced stability, especially with SOLGW upper receivers. Essential tools required for the process are also highlighted.
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