[Reviewed] GOAT-15 Ultralight .22 Semi-Auto Rifle / AT-15 Stripped Lower Receiver

This video, presented by AT3 Tactical, breaks down the physics behind different AR-15 muzzle devices. It explains how flash hiders, muzzle brakes, compensators, hybrid devices, and linear compensators manage propellant gases to reduce muzzle flash, recoil, and muzzle rise, offering a guide to selecting the right device for specific shooting needs.

This video demonstrates the function of an ambidextrous magazine release on an AR-15 platform rifle. The demonstration shows how to activate the release from both the left and right sides of the firearm to eject the magazine, highlighting its utility for shooters of varying dominant hands.

This guide details the installation of the Magpul MOE QD Bipod onto an M-LOK handguard. It emphasizes safety by ensuring the firearm is unloaded before proceeding. The process involves aligning the bipod's QD mechanism with an M-LOK slot and securely engaging the attachment. The video demonstrates this on a rifle equipped with an M-LOK handguard.

This video demonstrates the proper use of a hard case for storing multiple firearms, including an AR-15, a Glock pistol, and a shotgun. It highlights how foam-lined cases can protect firearms equipped with accessories like optics and weapon lights, emphasizing secure and organized storage. The content serves as a basic guide to firearm case management.

This guide, presented by an experienced firearms instructor, details the critical measurements and calculations needed to ensure a suppressor tucks correctly under an AR-15 handguard. It covers suppressor and handguard diameters, thread length, receiver recess, and the impact of various QD mounting systems like ASR, Key-Mo, and SOCOM. Following these steps prevents costly mistakes and achieves a clean aesthetic.

This video presents a viewer poll to select the next trigger for the AudienceBuilt AR project. Three options are detailed: the AT3 two-stage nickel boron flat face trigger, suitable for self-defense; the Rave 140 drop-in single-stage trigger, praised for its crisp break and value; and the Geissele national match grade trigger, designed for competition. The audience is instructed to vote by commenting with '1' for AT3, '2' for Rave 140, or '3' for Geissele.

This guide details the installation of a Kynshot Hydraulic Buffer (RB5000) on an AR-15 platform, as demonstrated by AT3 Tactical. The process involves disassembling the buffer system, replacing the standard buffer with the hydraulic unit, and reassembling the firearm. This modification aims to reduce felt recoil and bolt bounce, enhancing the shooting experience. The demonstration emphasizes proper firearm manipulation and function checks.

This guide details the installation of a Radian Raptor SD-SL gas busting charging handle on an AR-15 platform, specifically demonstrated on an Aero Precision M4E1 upper receiver. The process, led by an instructor with high authority, involves basic disassembly, installation of the specialized charging handle designed for suppressed fire, and reassembly. The video highlights the ambidextrous features and ported shaft for gas redirection.

This guide details the installation of the Armaspec Stealth Recoil Spring (SRS) on an AR-15 platform, as demonstrated by AT3 Tactical. The video highlights the audible difference between a standard buffer spring and the SRS, emphasizing reduced felt recoil and elimination of spring noise. The process involves a simple field strip and component swap, making it an accessible modification for AR-15 owners seeking a smoother shooting experience.

This guide details the installation of a Sprinco buffer spring into an AR-15 platform rifle, specifically demonstrated on a Springfield Armory Saint. The process involves removing the old spring and buffer, installing the new Sprinco spring, and reassembling the buffer tube. The video highlights the potential for a smoother and quieter action with this aftermarket upgrade. Instruction is provided by a professional content creator with expertise in firearm disassembly and aftermarket recoil systems.