When a Lv.4 Plate finally breaks.

This video from InRangeTV demonstrates a ballistic test comparing M855A1 5.56mm ammunition against AR500 armor plate. The test, conducted at 15 yards on an outdoor range, shows the M855A1 round impacting the steel plate, causing significant flexing. A water jug placed behind the armor ruptures upon impact, indicating substantial energy transfer. The demonstration highlights the performance characteristics of both the ammunition and the armor under specific conditions.

This video provides an expert assessment of the Brownells BRN-4 rifle, highlighting its impressive reliability and consistency, particularly in comparison to standard AR-style platforms. The speaker, demonstrating high authority and extensive experience, attributes the rifle's resilience to its HK416-inspired design, emphasizing the robust construction of key components like the barrel extension and receiver. The BRN-4 is shown to perform exceptionally well under extreme stress and across various environmental conditions, making it a noteworthy option for those prioritizing durability and consistent function.

This video from FalconClaw promotes their training facility, the 'Team Room,' highlighting its comprehensive amenities including a dedicated training environment, weapons, instructors, and accommodation. They are seeking participants for upcoming courses, with dates to be announced in three weeks via their newsletter. The content emphasizes the complete package offered for tactical training enthusiasts.

This expert guide details the testing of Premier Body Armor Level 4 plates against the formidable .577 Tyrannosaur rifle, as demonstrated by Scott from Kentucky Ballistics. The tests reveal that while Level 4 armor can stop some .577 T-Rex rounds, the extreme energy transfer poses a significant threat via blunt force trauma. Round-nose solids proved most effective for penetration, highlighting the limitations of even high-level body armor against super-magnum rifle cartridges.

This video provides an expert-level review and ballistic testing of the RMA Lightweight Level 4 Plate. The instructor, drawing on Navy experience, demonstrates the plate's performance against various calibers, including 5.56 NATO FMJ, 5.56 NATO Green Tip, .308 Win FMJ, and a challenging 300 Win Mag round. The testing utilizes watermelons as a medium to assess backface deformation and penetration, highlighting the plate's durability and protection capabilities. The review emphasizes the plate's American manufacturing, 10-year warranty, and competitive pricing.

This video explains the working principle of Level 4 body armor, emphasizing the role of the ceramic strike face in breaking and slowing down armor-piercing rounds. The backer material then catches the significantly decelerated projectile. The speaker highlights that the ceramic is crucial, as without it, standard backer materials would fail against armor-piercing threats. Predator Armor's Level 4 plate is presented as a high-protection, value-oriented option.

This video demonstrates a rapid fire drill focusing on efficient magazine reloads and immediate resumption of fire. The shooter, equipped with tactical gear and an M4 Carbine with an ACOG optic, showcases proficient weapon manipulation and recoil control. The drill emphasizes maintaining a high rate of fire while executing smooth tactical reloads.

This review of the Springfield M1A Scout Squad after 7,000 rounds highlights its robust reliability, especially with steel-cased ammunition. The instructor, speaking with high authority from extensive practical experience, details maintenance tips like using grease for lubrication and warns about potential malfunctions caused by glove interference with the operating rod. Cosmetic wear, such as brass marks on the stock, is viewed as a 'badge of honor' from heavy use.

This guide, presented by Regular Guy Training LLC, advocates for using readily available and cost-effective automotive lubricants for firearms. The instructor, drawing on military experience with belt-fed weapons and high-volume shooting, explains why conventional motor oil and high-temperature lithium grease are superior and more economical than many specialized gun lubes. It covers platform-specific recommendations, including considerations for cold weather and different firearm designs like AR-15s, AK-47s, and Glocks.

This guide details building a reliable AR pistol, emphasizing component selection for hard-use scenarios. It covers barrel and gas system choices, DI vs. piston considerations, and the importance of quality upper and lower receivers. The build focuses on practical reliability and shooter ergonomics, including ambidextrous controls and essential accessories, with a total cost around $1600 for the base build.