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

This expert guide from School of the American Rifle details how to identify and replace a malformed weld spring in an AR-15's delta ring assembly. A misaligned weld spring can cause gas tube issues, leading to potential component damage. The video provides a clear visual comparison and step-by-step instructions for replacement, emphasizing proper alignment for optimal function.

This guide addresses a common failure point for AR-15 charging handles, where the component can shear off at the gas key interface. The video highlights a user's experience of a charging handle breaking on its first day at the range, suggesting either a defective part or an issue with an older firearm. The expert emphasizes that a broken charging handle requires immediate replacement.

This guide addresses a critical quality control issue identified by Shortshot Tony on a new Daniel Defense Mk18 upper receiver: a loose barrel nut. The video demonstrates how a hand-tight barrel nut leads to significant rail wobble. It highlights the importance of proper torque for AR-15 assembly and compares this failure to lower-tier brands, emphasizing the need for robust quality control even on premium components.

This guide, based on expert instruction, details 17 habits to ensure firearms like Glocks and AR-15s last over 20,000 rounds. It emphasizes proactive maintenance, including meticulous round count logging, regular cleaning and lubrication, timely replacement of critical springs and components, and thorough visual inspections. Following these practices prevents malfunctions and extends the operational life of your firearm.

This guide details a crucial maintenance tip for the Smith & Wesson M&P 15-22, as demonstrated by Chad Albrecht from the School of the American Rifle. The video addresses a common issue where cleaning tools can damage the rifle's ejector assembly. By applying a simple protective sleeve, users can prevent damage to both the ejector and their cleaning equipment, avoiding costly repairs or part replacements from Smith & Wesson.

This guide details how to clean surplus firearms heavily coated in cosmoline, a common preservative. It covers methods using heat (oven or boiling) and subsequent degreasing, drawing on the speaker's experience with historical surplus firearms. The information is presented with the authority of someone deeply familiar with the C&R market and firearm maintenance.

This guide details the operation of the Heckler & Koch MP7 machine pistol, focusing on its semi-automatic and full-automatic firing modes. The video features an instructor from Pew Pew Tactical demonstrating proper loading, magazine insertion, and selector manipulation on an outdoor range. The HK MP7 is shown equipped with a suppressor and red dot sight, highlighting its tactical application.

This guide details the operation of the Heckler & Koch MP5K, focusing on the 'HK Slap' technique for chambering a round and understanding its fire selector. It emphasizes proper manual of arms and safety protocols for this iconic submachine gun, drawing on expert instruction. The demonstration covers preparation, loading, firing modes, and target results, highlighting the firearm's full-auto capabilities.

This guide details the operation of the fully automatic KRISS Vector, chambered in .45 ACP, as demonstrated by Pew Pew Tactical. It covers loading, engaging the fire selector for full-auto, and managing the platform's unique recoil mitigation system. The host, representing a major firearms media outlet, exhibits high authority and expertise in firearm handling and platform-specific controls.

This entry synthesizes expert analysis on the unexpected use of Mosin Nagant 91/30 rifles in the Ukraine conflict. The information highlights the historical significance of the rifle, its potential deployment roles for auxiliary forces, and the stark contrast it presents against modern military hardware, suggesting potential supply chain challenges. The assessment is delivered with high authority, drawing on specific knowledge of Soviet small arms and their storage practices.