This guide details how to test propellant temperature sensitivity, a crucial factor for consistent long-range accuracy. It emphasizes using a reliable chronograph and testing ammunition across a wide temperature range, from cold to hot conditions. The process involves calculating the muzzle velocity change per degree Fahrenheit to understand how temperature fluctuations affect performance, enabling shooters to account for these variations in their ballistic solutions.
This video demonstrates the impact of barrel length on muzzle velocity using .38 Special ammunition. A 1.8-inch barrel Ruger LCR and a 6-inch barrel Ruger GP100 were tested. The results show a significant velocity difference between the two barrel lengths, highlighting how barrel length affects projectile speed.
This video from Brownells, featuring Caleb, explores the optimal zero distances for an AR-15, primarily for competition use. It analyzes four common zero distances: 25, 36, 50, and 100 yards, detailing their impact zones on an IPSC A-zone target at various ranges. The instructor emphasizes that the 'best' zero is dependent on the intended use of the firearm and the optic employed, recommending the 100-yard zero as a versatile option for experienced shooters, while suggesting 36 or 50 yards for those using red dots or LPVOs respectively, especially for closer engagements.
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.
Geoff Nemnich discusses his choice of the .22 ARC cartridge for coyote hunting as an upgrade from the .223 Remington. He highlights the .22 ARC's superior ballistics, increased muzzle velocity, and enhanced downrange performance. Nemnich also praises the terminal performance of Hornady's ELD-VT ammunition, noting its impressive expansion and devastating effect on coyotes, even at extended ranges.
This video provides a detailed ballistic gel test comparing Buffalo Bore .25 ACP ammunition fired from a Lorcin pistol versus a Beretta 21A Bobcat. The test evaluates projectile performance through a simulated clothing barrier, measuring penetration depth and velocity. The instructor, with significant firearms experience, highlights the critical role of the firearm platform in achieving consistent ammunition performance, particularly for smaller calibers.
This video provides a detailed comparison between M855 'green tip' and M193 'ball' 5.56x45mm ammunition for realistic self-defense and SHTF scenarios. It analyzes their performance based on projectile weight, velocity, penetration, fragmentation, and barrel length, offering guidance on choosing the appropriate round for different rifle configurations and tactical considerations. The speaker, with extensive military experience, emphasizes practical application over theoretical performance.
This video details a ballistic gel test of the Winchester Ranger .40 S&W RA40180HP 180-grain JHP ammunition. The test includes chronograph readings from short and full-size barrels and examines projectile performance through a heavy clothing barrier. The presenter provides insights into the old-school design's performance in modern testing scenarios.
This video presents ballistics data for a 13.9-inch 6mm ARC rifle. The test fired 105-grain ammunition through a suppressor, achieving an average muzzle velocity of 2494.9 feet per second with a low standard deviation of 10.2. The data indicates excellent performance for factory ammunition out of this barrel length.
This review of the Garmin Xero C1 Pro chronograph highlights its ease of use, flexibility, and value for various shooting disciplines. The speaker, Ivan from kitbadger.com, emphasizes its utility for long-range shooters, hunters, and even airgun enthusiasts. He details the setup process, the importance of accurate velocity data for ballistic solvers, and compares it favorably to older chronograph technologies like MagnetoSpeed and Labradar.
This video details a comprehensive ballistic gel test of Hornady Custom 147 Grain 9mm ammunition, conducted by an experienced instructor. The test evaluates projectile performance through a heavy clothing barrier using two different handguns, the Canik Mete MC9 and FN 509, with detailed analysis of velocity, penetration, expansion, and weight retention. The instructor provides expert insights into the effectiveness of this ammunition for self-defense based on the empirical data gathered.
This video provides an expert-level analysis of the Remington Performance Wheelgun .357 Magnum 158gr Lead Semi-Wadcutter ammunition, tested through a 4-inch Ruger GP100 and a 6-inch Colt Python. The presenter, demonstrating significant expertise with specialized equipment, details chronograph readings, ballistic gel penetration, and recovered bullet analysis, offering valuable insights into the ammunition's performance characteristics with different barrel lengths.
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