We shoot Remington .357 mag 158gr SJHP ammunition from a Smith & Wesson Model 13L with a 4″ barrel into Clearballistics ballistic gel to measure velocity, penetration, expansion/fragmentation, and retained weight. Buy it at Ventura Munitions.
Andrew is a combat veteran of OEF and has performed hundreds of ballistic tests for his YouTube channel, The Chopping Block (https://www.youtube.com/user/chopinbloc). He is an avid firearm collector and competitor and lives with his family in Arizona. If you have any questions, you may email him at choppingblocktests@gmail.com
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