MY FIRST AR BUILD (With No Instructions)

This video from School of the American Rifle highlights critical manufacturing defects in AR-15 bolt carrier keys, specifically focusing on rough internal bores. Lead instructor demonstrates how a poorly finished carrier key can cause significant friction, premature wear on components like gas tubes, and operational issues, contrasting a problematic new Colt carrier with a well-functioning older model. The expert emphasizes the importance of a smooth bore for reliable function and longevity of expensive parts.

This guide details the installation of an aftermarket AR-15 trigger, specifically a Timney Triggers product. The process involves unboxing the trigger, identifying its modular components like interchangeable shoes, and then carefully installing it into a lower receiver. A function test is crucial to confirm correct operation. The speaker demonstrates proficiency with firearm components and installation procedures.

This video focuses on planning an extremely budget-friendly AR-15 build, currently priced at $340 and aiming for a total of around $500 including essential accessories like a light, foregrip, and sling. The creator is actively seeking community input for cost-effective component suggestions to feature in future content, highlighting a collaborative approach to accessible firearm customization.

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 video provides a comprehensive, step-by-step guide to building a .300 Blackout AR-15 pistol. Caleb from Brownells walks viewers through the entire process, from selecting top-tier components from manufacturers like Aero Precision and Sons of Liberty Gun Works, to detailed assembly of the lower receiver, upper receiver, gas system, and the installation of accessories such as optics and lights. The guide offers valuable tips on essential techniques like staking castle nuts and setting torque specs, making it an ideal resource for both novice builders and those seeking to learn more about AR-15 customization.

Elliott Delp showcases his favorite AR-15 build, a compact and mobile SBR emphasizing both aesthetics and functionality. The build features a Daniel Defense upper receiver known for reliability, paired with traditional A2 sights and modern accessories like a vertical foregrip and red dot optic. Live-fire demonstrations highlight its performance and manageable recoil.

This video tests the 'magic bullet' theory surrounding the JFK assassination using a 6.5 Carcano rifle and a ballistic skull. Recovered bullets showed less deformation than expected, challenging assumptions about the original evidence. The test highlights the unpredictable nature of bullet performance after impact.

This video tests a Pedersoli Baby Philadelphia Derringer replica, the type used by John Wilkes Booth to assassinate Abraham Lincoln. The test demonstrates the .45 caliber black powder pistol's surprising close-range power, capable of penetrating a beverage can and causing significant fragmentation in a ballistic dummy head. The analysis compares the impact to historical accounts of Lincoln's skull fragments, highlighting the effectiveness of historical firearms.

This video compilation highlights critical firearm safety failures, emphasizing the dangers of ignoring basic rules. It features incidents like accidental discharges due to poor recoil management on revolvers and unsafe reholstering practices. The content serves as a stark educational tool, warning against dangerous internet trends and reinforcing the importance of responsible gun handling to prevent life-altering injuries.

This video analyzes the assassination attempt on Donald Trump by replicating the shooter's AR-15 setup and the Secret Service's counter-shot. It debunks conspiracy theories by demonstrating the difficulty of the initial shot and the terminal ballistics of both the attacker's and defender's rounds using high-speed footage and ballistic dummies. The analysis emphasizes that a precise ear-only shot from that distance with the described rifle is highly improbable.