AR-15 - Trigger and Hammer Installation

This video provides a comprehensive, step-by-step guide to building an AR-15 from kits. It covers the assembly of both the upper and lower receivers, detailing the installation of critical components like the barrel nut, gas block, trigger, and buffer tube. The guide emphasizes the use of specialized tools and proper techniques to ensure a successful build, concluding with a range test to confirm functionality.

This video provides an in-depth look at the Franklin Armory binary trigger system, presented as an alternative for those in states where FRTs are prohibited. The speaker highlights its affordability, especially after recent price drops, and its ability to provide rapid fire capabilities. The installation process is detailed, emphasizing the trigger's dual-mode functionality (semi-automatic and binary) and its potential to enhance range fun, even for new shooters. The speaker, an experienced firearms enthusiast, also touches on other gear like O-site optics and Shellshock ear protection.

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 guide details how to address a seized AR-15 upper receiver, a common issue exacerbated by suppressor use and infrequent cleaning. The instructor, with extensive firearms experience, demonstrates a multi-stage approach starting with penetrating oils and progressing to more aggressive chemical cleaners when initial methods fail. The video emphasizes understanding dwell time and the effects of carbon buildup, offering practical solutions for a problem that can render a firearm inoperable.

This video details a troubleshooting process for an AR-15 experiencing a stuck bolt carrier group. The issue was ultimately identified as an incorrectly sized buffer tube detent that was too long, causing it to catch. The presenter demonstrates the process of identifying the problem, swapping parts, and testing functionality, emphasizing the importance of correct component fit for reliable operation.

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 provides expert instruction from nsz85 on how to properly load a 75-round drum magazine for the AK-47 rifle. It covers identifying components, resetting the follower, the specific loading procedure for rounds, winding the spring for tension, and crucial advice on releasing tension for storage to preserve spring life. The video emphasizes clear, step-by-step technical guidance for reliable firearm operation.

This guide details the basic field stripping and reassembly of an AR-15, as demonstrated by nsz85. It covers separating the upper and lower receivers, removing the bolt carrier group and charging handle, and reassembling the firearm. The video emphasizes proper magazine seating and the function of various controls. Instruction comes from an experienced individual with clear, practical advice for beginners.

This guide details the process of installing a standard A2 style flash hider onto an AR-15 platform, specifically a 10.5-inch Rainier Arms barrel. It covers necessary tools, thread preparation with AeroShell 33MS grease, crush washer orientation, and the critical step of indexing the muzzle device for optimal performance, especially when shooting prone. The instruction emphasizes precise alignment with the gas port for proper function.

This guide details the critical process of checking headspace on an AR-15 build, a vital step for ensuring firearm safety and reliability. Professional gunsmith Dale Heckstrom from Little Crow Gunworks demonstrates the disassembly of the bolt carrier group, the precise use of 'Go' and 'No-Go' gauges, and the reassembly process. Proper headspace ensures the firearm operates within safe mechanical tolerances, preventing potential malfunctions or dangerous failures due to factory defects or mismatched components.