How To Install An AR15 Ambi 45/90 Degree Safety

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 installation of an aftermarket AR-15 trigger, specifically a Timney Triggers product, into a clear lower receiver. The process involves unboxing, component inspection, mounting the trigger assembly with pins, and performing a function check. The demonstrative tone and clear handling of components suggest an experienced instructor guiding the viewer through a common firearm modification.

This expert guide from the School of the American Rifle details how to identify and address rough carrier key bores in AR-15 bolt carrier groups. The instructor, demonstrating expert knowledge, explains how these manufacturing defects, particularly on Colt components, can lead to premature wear on the gas tube and reduced reliability. Solutions involve replacing the defective carrier key to ensure smooth operation and longevity of the firearm.

This guide details how to adjust an AR-15's adjustable trigger, focusing on reducing pre-travel and overtravel for a crisper break. It emphasizes safety checks and the use of a trigger pull gauge. The video, presented by an expert from AT3 Tactical, explains that adjustable triggers offer customization for accuracy and performance, particularly for competition shooters and range enthusiasts, but may not be ideal for home defense or casual use due to potential safety concerns if set too light.

This guide details the installation of the LaRue MBT-2S trigger for AR-platform rifles, based on insights from Concrete Cowboy. The video highlights the trigger's origin story, its 4-4.5 pound pull weight with a solid wall and clean break, and the speaker's positive long-term experience. It emphasizes the value proposition of a premium feel at a reduced cost.

This guide details the comparison and installation considerations for popular AR-15 triggers, including the LaRue MBT-2S, Geissele SSA-E, and TriggerTech Duty. It covers the functional differences between single-stage and two-stage triggers, as well as cassette versus traditional designs. The expert-driven content from Concrete Cowboy provides insights into pull weights, reset, and installation ease, aiding builders in selecting the best trigger for their AR-15 platform.

This entry details a concerning incident involving ATF agents and a US Navy sailor, highlighting critical aspects of firearms law, NFA regulations, and individual rights during law enforcement encounters. It emphasizes the importance of documentation, legal counsel, and understanding seizure procedures. The expert analysis underscores the potential for overreach and the need for vigilance in protecting legally owned property.

This video provides an expert-level analysis from Mrgunsngear on selecting firearms to confront groups of armed violent criminals. It covers handguns, shotguns, pistol caliber carbines, and rifles, emphasizing the AR-15 as a highly effective platform for home defense scenarios. The instruction highlights the importance of capacity, accuracy, and terminal ballistics when facing multiple threats.

This video from Mrgunsngear Channel, featuring an expert speaker with deep knowledge of FFL reporting and the Gun Control Act of 1968, discusses ATF agents conducting door-to-door inspections without warrants. It highlights that homeowners possess Fourth Amendment rights and can refuse entry or inspections without a warrant, advising viewers to request a warrant or contact an attorney if approached by agents. The content emphasizes the legal framework surrounding multiple firearm purchases and straw purchasing.

This comprehensive guide from Mrgunsngear details a standard post-range cleaning and lubrication routine for AR-15 series rifles. It emphasizes safety, proper disassembly, effective cleaning techniques using CLP and specialized tools like the CAT M-4, and strategic lubrication points for optimal function and reliability. The instruction is presented with high authority, drawing on practical experience.