Channel: @prestonjmoore
This video details a lot-to-lot consistency test of Fiocchi 55gr M193 ammunition. The instructor found significant variations in accuracy and velocity between different lots, impacting performance. Testing was conducted at 100 yards using two different AR-15 barrels, a 20-inch Bear Creek Arsenal HBAR and a 14.5-inch Hodge barrel, with data collected via a Garmin chronograph and Mantis X10.
This video provides a detailed comparison of five different brands of 55-grain M193 ammunition, evaluating their performance through two distinct AR-15 barrels. The analysis includes muzzle velocity, 30-shot group sizes, and AZ scores at 100 yards, offering valuable data for shooters seeking to understand brand-specific performance characteristics.
This video provides a detailed performance review of the LWRC IC MKII 12.7-inch upper receiver. It includes extensive 30-shot group testing with three different ammunition types at 100 yards, presenting detailed ballistics data such as average velocity, standard deviation, and extreme spread. The review also touches on the upper's technical specifications and internal condition, offering insights into its accuracy potential with various loads.
This video provides a detailed review of Frontier's FR262 77gr OTM ammunition, a budget clone of the MK262 load. The reviewer tested it across five different AR-15 barrels, noting significant velocity variation between lots and individual shots, leading to poor extreme spreads and standard deviations in most cases. While some groups were decent, many exhibited flyers and inconsistent performance, particularly in shorter barrels. The FR262 generally achieved high velocities but struggled with accuracy compared to premium loads.
This video provides an in-depth review and ballistic testing of the Centurion Arms FBI 11.5-inch CHF barrel. The presenter details its construction, technical specifications, and performance with various ammunition types, offering group sizes, velocities, and comparisons to other barrels. The review highlights the barrel's potential for accuracy despite minor cosmetic imperfections.
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 review provides an in-depth look at the Green Mountain 12.7" AR-15 barrel, including detailed borescope analysis and accuracy testing with various ammunition types. The expert assessment highlights potential issues with gas port size and machining, while also evaluating the barrel's performance for its price point. It's recommended for those seeking a budget-friendly option for general use or 'blasting'.
This expert review by Preston Moore details a comprehensive inspection and ballistic testing of the LMT 12.5" DI barrel in 5.56 NATO. The analysis includes borescope examination of the bore, chamber, and rifling, alongside detailed group testing with various ammunition types. The instructor highlights performance metrics like muzzle velocity and A-ZED scores, offering valuable insights for firearm enthusiasts and builders considering this barrel.
This comprehensive test evaluates nine different AR-15 barrels using ADI World Class 69gr Sierra MatchKing ammunition, a budget-friendly match option. The analysis, conducted by Preston Moore, utilizes advanced data collection methods including chronographs and shooter error sensors to measure group sizes, velocities, and consistency. The Seekins Precision 16" barrel emerged as the top performer, demonstrating the importance of barrel-ammo synergy even with budget-conscious choices.
Preston Moore provides a comprehensive, data-driven review of the Seekins Precision 16" AR-15 barrel, utilizing his proprietary A-ZED scoring system. The review details rigorous testing methodology, including 30-shot groups and borescope analysis, offering high-authority insights into barrel performance, material quality, and potential gas system considerations. This expert assessment is valuable for AR-15 builders and enthusiasts seeking objective performance data.
This video provides an in-depth, expert-level review of the Centurion Arms MK12 18" Barrel, featuring detailed technical specifications, borescope inspection, and rigorous range testing with various 77gr loads. Preston Moore's analytical approach, backed by empirical data and comparative benchmarks, highlights the barrel's performance, particularly with MK262 ammunition.
This comprehensive review details the testing of a custom Krieger AR-15 barrel finished by Ross Precision Machine. Preston Moore, demonstrating high authority and an analytical tone, provides detailed borescope inspections, weight measurements, and extensive ballistic data. The barrel exhibits exceptional accuracy and velocity with match-grade ammunition, ranking highly against competitors. The review emphasizes the importance of proper break-in procedures and precise manufacturing tolerances for optimal performance.
