5.45x39 AR15 that takes AK74 MAGS? CURSED

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 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 outlines the conceptual assembly of the unique XR-86 custom rifle, a project by Wilfred Ellis. It details the integration of parts from an M60, M14, and AR-15, highlighting the custom gunsmithing required to combine these disparate systems into a functional firearm. The process involves careful mating of bolt, gas, and trigger mechanisms.

This guide details the installation of an aftermarket AR-15 trigger, specifically a Timney Triggers product, into a clear lower receiver. The process involves unboxing, component inspection, mounting the trigger assembly with pins, and performing a function check. The demonstrative tone and clear handling of components suggest an experienced instructor guiding the viewer through a common firearm modification.

This guide details how to adjust an AR-15's adjustable trigger, focusing on reducing pre-travel and overtravel for a crisper break. It emphasizes safety checks and the use of a trigger pull gauge. The video, presented by an expert from AT3 Tactical, explains that adjustable triggers offer customization for accuracy and performance, particularly for competition shooters and range enthusiasts, but may not be ideal for home defense or casual use due to potential safety concerns if set too light.

This guide details the technique for firing and reloading the Yugo SKS M59/66, as demonstrated by Klayco47. It covers the use of stripper clips for rapid magazine loading and emphasizes the rifle's accuracy potential. The demonstration highlights efficient operation of this classic surplus firearm.

This guide details the technique for firing and cycling the Spanish Cetme FR8 rifle, as demonstrated by Klayco47. It covers manual loading, chambering via bolt action, aiming with iron sights, firing a suppressed shot, and ejecting the spent casing. The demonstration emphasizes proper bolt manipulation and effective use of the rifle's iron sights.

This video details a high-volume fire stress test on a Palmetto State Armory AK-47, pushing the firearm to its limits. Klayco47, a recognized authority in AK-47 testing, demonstrates the rifle's resilience as its polymer handguards ignite and burn during sustained firing. The test progresses to using a 75-round drum magazine, showcasing the AK's ability to function despite extreme heat and visible flames, highlighting the robust nature of the platform under duress.

This video showcases a Palmetto State Armory Spiker AK undergoing a high-stress, full-auto firing test. Instructor Klayco47 demonstrates the potential for thermal failure, with the wooden handguards igniting due to extreme heat buildup. The content highlights the importance of understanding firearm limitations under sustained firing conditions.