[How To] Clean and Lube an AR-15!

This expert-level guide details the step-by-step disassembly of the Ruger 10/22 rifle, as demonstrated by Ruger Firearms. It emphasizes crucial safety precautions, including confirming the firearm is unloaded and wearing safety glasses. The process requires minimal tools: a 5/32 Allen key and a small punch, making it accessible for routine maintenance and cleaning.

This video demonstrates John Lovell's preferred method for lubricating an AR-15, prioritizing oiling over extensive cleaning for standard maintenance. Key steps include applying Slip 2000 EWL directly to the Bolt Carrier Group (BCG) through the ejection port and magazine well, ensuring lubrication of vent holes and internal components. The process also covers lubricating the receiver and star chamber, followed by cycling the charging handle to distribute the lubricant effectively.

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 demonstrates the assembly of an AR-15 lower receiver, focusing on the installation of critical components like the trigger group, safety selector, and buffer system. The builder, exhibiting advanced armorer skills, utilizes specialized tools and techniques for a precise build. While edited for entertainment, the process highlights the methodical approach required for a reliable firearm.

This video, titled 'Bore Buddy - Not Full Auto FRT', appears to be a discussion or demonstration related to firearm components, specifically the 'Bore Buddy' and its connection or lack thereof to 'Full Auto FRT' (likely referring to a Full Auto sear or trigger mechanism). Given the title's focus on a specific component and its function, the content is likely technical in nature, potentially exploring modifications, functionality, or limitations of this firearm part. The absence of a transcript requires an assumption that the video delves into the operational aspects of the Bore Buddy.

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 video provides a practical demonstration of operating the Heckler & Koch MP7 in both semi-automatic and full-automatic modes. It covers the essential steps of loading, chambering a round, and manipulating the fire selector for different firing modes. The host emphasizes safe handling and proper technique for engaging targets with this compact submachine gun.

This video demonstrates the proper operation of a full-auto HK MP5K, including the iconic 'HK Slap' to chamber a round. It covers deploying the stock, locking the charging handle, and differentiating between semi-auto ('E') and full-auto ('F') firing modes. The demonstration includes live fire in full-auto and shows resulting target accuracy.

This video demonstrates the operation of the fully automatic KRISS Vector in .45 ACP, highlighting its distinct fire modes: semi-auto, 2-round burst, and full-auto. It showcases the platform's high rate of fire and the effectiveness of its Super V Recoil Mitigation system in managing recoil, particularly during full-auto engagement. The demonstration includes proper loading procedures and safety engagement.

The video analyzes the surprising use of Mosin Nagant 91/30 rifles, often with PU scopes, by rear-line troops and militias in the Ukraine conflict. These historical Soviet infantry rifles, officially replaced decades ago, highlight potential supply chain issues for Russian forces when seen alongside modern weaponry. While modernized versions exist, their deployment in this context is notable.