15,000 Rounds Later: Does This Criterion Barrel Still Shoot Straight?

This comprehensive review of the M1 Garand, presented by firearms expert Nutnfancy, delves into its historical significance, design innovations, and practical application. Nutnfancy, with extensive testing including 2,500 rounds and a 5-month evaluation period, highlights the rifle's reliability, ergonomics, and surprising manageability despite its weight. The review also touches upon its POU, historical context, and recommendations for acquiring authentic examples through the CMP.

This video provides an in-depth review and accuracy test of a Ballistic Advantage AR-15 barrel. The presenter, Preston Moore, details the barrel's specifications, including its Hensley profile, 16-inch length, mid-length gas system, and 1:7 twist rate. He conducts extensive live-fire testing with four different ammunition types at 100 yards, meticulously recording group sizes, velocities, and rifle stability scores using advanced equipment. The results are compared against Ballistic Advantage's sub-MOA guarantee, offering practical insights into the barrel's real-world performance.

This video provides an in-depth accuracy test of the Sons of Liberty Gunworks 16-inch SPR barrel, featuring unique polygonal rifling and a 5/8x24 thread pitch. The instructor conducts 30-shot groups with various ammunition types, meticulously recording data on velocity, rifle stability, and group size using advanced metrics like the A-ZED score. The results demonstrate exceptional accuracy, positioning the barrel favorably against competitors.

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.

Preston Moore, an expert firearms instructor, provides a detailed review of AAC 77gr OTM ammunition, testing its performance across six different AR-15 barrels. The analysis includes group sizes, velocities, and reliability, utilizing professional-grade equipment and methodology. This comprehensive evaluation aims to address user concerns regarding quality and velocity consistency, offering valuable data for shooters.