This comprehensive review by Preston Moore, an expert firearms instructor, details the inspection and rigorous 30-shot accuracy testing of a Colt 6520 16" pencil barrel. The analysis includes detailed measurements, bore inspection, and comparative performance data with Federal Gold Medal 77gr Sierra MatchKing, PMC X-Tac M855, and ADI World Class 69gr Sierra MatchKing ammunition, providing valuable insights for AR-15 enthusiasts.
This video compares the terminal ballistics of M193 and M855 5.56mm ammunition when impacting a cinder block. The M855 round, characterized by its steel penetrator tip, demonstrated significantly more destructive power, completely shattering the target, while the M193 caused a cleaner penetration. The comparison highlights the different performance characteristics of these common 5.56mm loads.
This guide outlines the experimental process used by Garand Thumb to test the close-range lethality of 5.56x45mm NATO ammunition from various barrel lengths (10.3", 11.5", 16"). Utilizing ballistics gel and high-speed cameras, the test provides data on projectile performance, debunking myths about short-barreled rifle effectiveness. The expert-level analysis confirms 5.56mm's devastating performance even from SBRs at moderate distances.
This video argues that the Trijicon ACOG TA31 remains the premier optic for 'doomsday' or 'no rule of law' scenarios due to its battery-free illumination, legendary durability, and proven reliability in extreme conditions. The instructor, with over 13 years of experience and extensive round count, details its performance in various environments and its set-and-forget simplicity. It highlights the importance of zeroing with M855 ammunition and the effectiveness of its bullet drop compensator.
This video argues that the 11.5-inch BCM barrel is the optimal choice for a serious fighting rifle in 2025, citing superior velocity, accuracy, suppressor performance, and component longevity compared to shorter barrels like the 10.3-inch. The speaker, a former senior NCO and marksmanship master trainer, emphasizes BCM's quality control and value for performance, making it a reliable and effective platform for self-defense and serious use.
This video provides a comprehensive test and review of the RMA Armament Gen2 1165 RF3 rated lightweight armor plate. The reviewer, with extensive experience in wearing armor, conducts rigorous ballistic testing against various calibers including 300 Win Mag, M80A1, M193, M855, 7.62x39, 10mm, and 9mm. The plate demonstrates impressive performance, stopping all tested rounds initially and showcasing its edge-to-edge protection, though it eventually fails after significant compromise.
This video explores the performance of a 16-inch barreled HK SP5L, comparing its accuracy and ballistics to a standard MP5. The presenter conducts accuracy tests with Federal Premium 124gr ammunition, achieving approximately 1.5 MOA. Ballistics testing with Civil Defense ammunition reveals an impressive 2600 FPS, comparable to 5.56 NATO, and a comparison with M855 shows similar velocities but different terminal effects. The presenter notes the 16-inch SP5L's comfortable shooting dynamics and surprising accuracy.
This YouTube Shorts video, titled "M855 vs Steel Body Armor", features a comparison test involving M855 ammunition and steel body armor. The description links to a full-length video on the same topic. The content likely demonstrates the effectiveness or limitations of M855 rounds when impacting steel armor plates.
This video provides an expert-level analysis of optimal AR-15 barrel lengths for serious fighting rifle applications, drawing on over a decade of infantry experience. The instructor strongly advises against 20-inch and 18-inch barrels due to maneuverability issues and argues that modern ammunition negates the velocity advantage. The recommended lengths are 14.5 inches for unsuppressed use and 11.5 inches for suppressed applications, emphasizing their balance of velocity, maneuverability, and effectiveness across various engagement distances.
This video details a comprehensive ballistic testing of the Premier Body Armor Fortis Level III+ GT plate, a NIJ RF2 rated armor designed as a lightweight alternative to Level IV plates. The testing involves multiple rifle caliber threats at close range (25 feet) and extended distances (100 yards), evaluating penetration and back face deformation. The plate demonstrates impressive performance against common threats like 5.56x45mm and 7.62x39mm, while also showing its limitations against higher-level threats at longer ranges as expected.
This guide details the construction of a DIY body armor plate using readily available materials like ceramic tiles, a fiberglass welding blanket, and duct tape, costing approximately $23. The video demonstrates its performance against 9mm and .223 FMJ rounds, noting it stopped both but was penetrated by 5.56 Green Tip (M855). While not recommended for personal protection, it's presented as a viable option for reinforcing walls or other non-wearable applications. The instructor's expertise is evident in the practical demonstration and comparison to commercial armor plates.
This video compares the ballistic performance of M855 62gr FMJ and a 60gr Nosler Partition handload fired from AR-15 platforms with 10.5-inch and 16-inch barrels into Clear Ballistics gel. The instructor notes significant differences in wound channel and penetration based on barrel length and ammunition type, particularly highlighting the tumbling effect of M855 from the shorter barrel and the expansion characteristics of the Nosler Partition.
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