How to Remove an AR15 Buffer Tube

This video from AT3 Tactical explores the function and necessity of the forward assist on AR-15 style firearms. It delves into the component's historical origins, specifically its introduction during the Vietnam War era, and examines its practical applications and potential drawbacks on modern rifles. The content aims to educate viewers, whether they are new to building or modifying AR-15s, to make an informed decision about the forward assist's role in their firearm setup. The video also touches on specific drills and potential problems associated with the component.

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 guide details the evolution of AR-15 carrier key staking from early 'Gen 1' square staking to modern 'Gen 5' OCKS with serrated heads. It emphasizes proper torque values (vintage 35-40 in-lbs, modern 55-58 in-lbs) and the importance of sufficient metal displacement for screw security. The video, presented by an expert from School of the American Rifle, critiques commercial staking and references historical technical manuals.

This YouTube video, titled 'Bore Buddy – Não é FRT Totalmente Automático', appears to focus on a firearm accessory or modification called 'Bore Buddy'. The title explicitly states it is *not* a fully automatic FRT (Forced Reset Trigger), suggesting the content will clarify the functionality and potentially limitations or comparisons of this device. Given the focus on a specific firearm component and the clarification regarding its automatic capability, the video likely aims to inform viewers about its use, installation, or performance, potentially differentiating it from fully automatic triggers.

This YouTube video offers practical tips and techniques for polishing stainless steel firearm components. The content focuses on achieving a high-quality finish on gun parts, likely aimed at gunsmiths, hobbyists, and firearm enthusiasts looking to customize or maintain their weapons. The video emphasizes real-world application and likely demonstrates various methods and tools used in the polishing process for stainless steel firearms.

This entry details the unique XR-86 custom rifle, a 1986 build by Wilfred Ellis. It masterfully combines components from an M60 (flash hider), an M14 (gas system), and an AR-15 (trigger, bolt, locking system). The AR-15 trigger is notably rotated 90 degrees, and its bolt is integrated with the M14 gas system, showcasing advanced gunsmithing.

This short demonstrates the critical importance of firearm safety, even with inert training aids. The presenter highlights the safety pin and spoon mechanism of a WWII Mk 2 grenade. A dramatic moment occurs when the grenade is accidentally dropped, emphasizing the need for constant vigilance and proper handling to prevent accidents.

This short showcases the Meta Tactical Apex Series conversion kit, transforming a Glock into a bullpup-style firearm with a 16-inch barrel. It highlights the kit's features, including rear magazine loading and integrated spare magazine storage in the front grip, concluding with a live-fire demonstration.

This short video details the essential steps for legally transporting a handgun on a commercial flight. It emphasizes using a hard-sided, lockable case like the Apache 1800, ensuring ammunition is in original packaging, and the firearm is unloaded and secured. Proper declaration at the airline check-in counter and placing the locked case in checked baggage are crucial for compliance.

This short demonstrates the process of throwing a fragmentation grenade and taking cover. It highlights the importance of immediate safety procedures post-throw. The video also shows a cautious inspection of the undetonated grenade after a significant delay, emphasizing the unpredictable nature of ordnance.