I Upgraded My LSU AR-15… Then Everything Went Wrong…😅

This guide details how to address a seized AR-15 upper receiver, a common issue exacerbated by suppressor use and infrequent cleaning. The instructor, with extensive firearms experience, demonstrates a multi-stage approach starting with penetrating oils and progressing to more aggressive chemical cleaners when initial methods fail. The video emphasizes understanding dwell time and the effects of carbon buildup, offering practical solutions for a problem that can render a firearm inoperable.

This guide details how to thread the rear takedown pin detent hole on an AR-15 lower receiver using a 4x40 tap and a set screw. This modification allows for easier removal of components like the end plate and buffer tube without losing the rear takedown pin spring and detent. The process involves careful tapping with cutting oil and a specific technique of rotating and backing out the tap to create clean threads. It also covers trimming the takedown pin spring to accommodate the set screw.

This video details significant design improvements and repairs made to the AK-50 V3. Key updates include a new two-piece firing pin design to address breakage issues, a revised takedown lever for easier disassembly, and an improved handguard retention system using a threaded insert. The video also covers the importance of features like fluting on the firing pin for weight reduction and a blowout hole for safety in case of primer piercing. The presenter emphasizes the iterative nature of firearm development and the importance of addressing potential failure points to enhance reliability and safety, especially with a powerful cartridge like .50 BMG.

This video provides a comprehensive, step-by-step guide to building an AR-15 from kits. It covers the assembly of both the upper and lower receivers, detailing the installation of critical components like the barrel nut, gas block, trigger, and buffer tube. The guide emphasizes the use of specialized tools and proper techniques to ensure a successful build, concluding with a range test to confirm functionality.

This expert guide from the School of the American Rifle details how to identify and address rough carrier key bores in AR-15 bolt carrier groups. The instructor, demonstrating expert knowledge, explains how these manufacturing defects, particularly on Colt components, can lead to premature wear on the gas tube and reduced reliability. Solutions involve replacing the defective carrier key to ensure smooth operation and longevity of the firearm.

This guide details how to inspect an AR-15 Bolt Carrier Group (BCG) for critical defects, specifically peening marks on the carrier rails. Instruction from School of the American Rifle highlights how improper peening can lead to significant damage to the upper receiver. Proper inspection is crucial for ensuring BCG longevity and firearm safety.

This video showcases a custom gold-plated 1911 pistol in .38 Super caliber. The content features range testing, highlighting the firearm's aesthetics, including intricate engraving and jeweled grips, and its smooth single-action performance. The speaker, identified as a firearms enthusiast, demonstrates proper handling and range safety.

This guide details the technique for firing a Mac-10 submachine gun, emphasizing preparation and controlled full-auto engagement. GHG Hussle, a firearms content creator, demonstrates proper muzzle discipline and burst fire management. The video showcases the Mac-10's high rate of fire, approximately 1,100 RPM, and its suppressed sound profile during live fire at an outdoor range.

This video demonstrates a rapid fire trick shot technique using a Glock-style handgun on a Prime hydration bottle. The shooter showcases advanced recoil management and high-speed trigger manipulation, emphasizing that the firearm is semi-automatic and not equipped with an auto-sear ('switch'). The demonstration highlights safe range practices with an appropriate backstop.

This video showcases the visually striking 24k Gold Draco pistol by Century Arms, chambered in 7.62x39mm. The presenter, GHG Hussle, demonstrates enthusiastic admiration for the firearm's custom gold plating and intricate floral engraving, comparing its artistry to Picasso. A brief live-fire demonstration highlights the weapon's operation at an outdoor range, with proper safety precautions like ear protection being observed.