Do You Even Side Charge Bro?

This guide details the process of lapping an AR-15 receiver to ensure proper barrel alignment for improved long-range accuracy. Instructor Stephen Caleb from Brownells explains that receiver faces can be slightly out of alignment, leading to barrel runout. The process involves using a specialized lapping fixture and aluminum oxide lapping compound with a drill to create a perfectly flat receiver face. This ensures the barrel seats flush and square, critical for precision shooting beyond 500 yards.

This guide details the installation and accessory setup for the Brownells Exclusive Mk18 Mod 1 upper receiver. It covers selecting between quad rail and M-LOK handguards, mounting optics and accessories like the EOTECH EXPS2, G33 magnifier, and Surefire RC3 suppressor. The guide also touches on compatibility with grenade launchers and the benefits of an A5 length buffer system for improved shooting dynamics, as demonstrated by an experienced instructor.

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 details the design philosophy and enhancements of the BCM MK2 upper receiver, focusing on how BCM improved structural rigidity and strength compared to a standard M4 upper while maintaining similar weight. The instruction comes from an experienced speaker demonstrating expertise in firearm design and manufacturing.

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 details the installation of the BS Squirts drop-in Forced Reset Trigger (FRT) for the AR-15 platform. It covers the initial safety checks, the installation process, and functional testing in both semi-automatic and simulated full-auto modes. The video emphasizes verifying the trigger's operation after installation, ensuring it functions correctly and safely within legal parameters.

This video from DemolitionRanch, hosted by Matt Carriker, explores the capabilities of high-powered, regulated air rifles like the AirForce Texan SS and Sam Yang Dragon Claw. Carriker demonstrates their impressive power, accuracy, and surprisingly quiet operation due to integrated suppressors, highlighting a legal loophole where these airguns and their suppressors are not subject to NFA regulations. The content showcases ballistics testing and comparisons, emphasizing the expert knowledge of the host in firearms and related legalities.

This video features Nicholas Irving, a former Special Operations sniper, demonstrating and discussing various high-powered firearms. Irving, author of 'Way of the Reaper,' shares insights on sniper rifles like the Barrett M107A1 and SR-25, discusses the recoil of the S&W 500 Magnum, and tests the penetration capabilities of different calibers against an engine block. The content highlights practical applications and the effectiveness of these weapons in tactical scenarios.

This video demonstrates the dangerous consequences of firing incorrect ammunition calibers in firearms. Experienced instructor Matt Carriker shows how .380 ACP in a 9mm firearm and 9mm in a .40 S&W firearm can lead to cycling failures and severe brass deformation due to improper headspacing. The experiment highlights the critical importance of using the correct ammunition for each firearm to ensure safe operation and prevent damage.

This video from DemolitionRanch, featuring firearms expert Matt Carriker, tests the ballistic resistance of Flex Tape when used as improvised body armor. The experiment involves layering Flex Tape onto cardboard and testing its effectiveness against .22 LR, 5.7x28mm (FN PS90), and 9mm (CZ Scorpion Evo 3 S1) rounds. The results demonstrate that even extensive layering of Flex Tape is insufficient to stop common firearm calibers, highlighting the importance of proper ballistic materials.