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  1. S&W .357 Model 19 prone to crack? What ammo should I use?

    Semi-Auto Handgun Discussion
    I just bought a S&W .357 Model 19-4, 4 inch barrel revolver that has never been fired. I read that it was designed for a 158 grain .357 ammo and it is proned to crack if you use a smaller grain. Is that because the smaller grain is shorter or higher velocity? Does it matter the grain when using...