Videos tagged with AR-15 Barrel

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 guide, presented by Josh from AT3 Tactical, explains the fundamental concepts of AR-15 barrel rifling and twist rates. It details historical methods, modern manufacturing processes like button rifling, cut rifling, and cold hammer forging, and clarifies how twist rate impacts bullet stability based on weight. The information is presented with an emphasis on practical application for firearm owners.

This guide details a rigorous inspection and testing procedure for AR-15 barrels, as demonstrated by Preston Moore. It covers essential physical gauging, advanced borescope analysis to detect internal defects like pitting, and a structured approach to range testing with various ammunition types. The process emphasizes data collection for accuracy and velocity, highlighting the importance of thorough evaluation before and after live fire. Moore's objective and analytical approach provides high-level insights into barrel quality.

This video provides an in-depth inspection and performance evaluation of the LMT 14.5" piston-driven barrel. The reviewer details manufacturing variations across three samples, including extractor reinforcement and feed ramp cuts. Extensive gauging and borescope inspections reveal issues like chrome flaking and throat abrasion in some units. Shooting results with various ammunition types demonstrate accuracy potential, with one barrel performing respectably while others showed defects.

This video provides a detailed review and testing of a Criterion 16-inch HBAR AR-15 barrel. The presenter covers the barrel's specifications, conducts a thorough inspection including chamber and bore scoping after approximately 1,000 rounds, and performs range testing with three different ammunition types. The testing focuses on accuracy, velocity, and signs of wear, revealing interesting performance characteristics and potential pressure signs.

This video provides a detailed review of the Rosco K9 16-inch AR-15 barrel, including its technical specifications, inspection findings, and performance testing with three different ammunition types. The reviewer highlights mixed results, with the barrel performing well with Federal Gold Medal 77gr but poorly with Winchester M193, suggesting potential ammunition sensitivity and heat-related degradation. The analysis offers valuable insights for AR-15 builders and shooters.

This video presents three distinct AR-15 barrel options for a build, allowing viewers to vote on the final selection. Options include a lightweight 16-inch 5.56 NATO barrel from AT3 Tactical, an 18-inch 6mm ARC barrel from Ballistic Advantage for long-range capability, and a 7.5-inch 300 Blackout barrel suitable for personal defense or compact builds.

This review of the X2 Devroup Trident barrel system highlights its unique I-beam fluting and claims of accuracy and thermal stability. Despite initial high MSRP and bold claims, extensive testing revealed significant issues with accuracy and velocity consistency, particularly with lighter ammunition. The reviewer suggests X2 Devroup's designs might be better suited for licensing to more experienced manufacturers.

This video provides a detailed comparison of two BCM ELW (Extreme Lightweight) barrels, examining their manufacturing consistency and on-range performance. The presenter conducts thorough bench inspections, including gauging, weighing, and borescope analysis, highlighting potential manufacturing variations. Live-fire testing involves 30-shot groups at 100 yards with various ammunition types to assess accuracy, velocity, and consistency, offering insights into the practical performance of these lightweight barrels.

This video discusses the importance of selecting an AR-15 barrel based on specific use cases, differentiating between tactical and accuracy-focused barrels. The speaker highlights a preference for cold hammer-forged barrels due to their durability, while acknowledging that stainless steel barrels may offer superior accuracy for sole accuracy purposes. Brands like Ballistic Advantage, Daniel Defense, and FN are mentioned as producers of quality cold hammer-forged barrels.

This video provides an in-depth review of the Centurion Arms 14.7-inch cold hammer-forged, chrome-lined AR-15 barrel. It details the barrel's specifications, includes a borescope inspection of the chamber, throat, and crown, and presents comprehensive range testing results with three different ammunition types. The review highlights accuracy data, velocity readings, and offers a comparative analysis against other barrels tested.