40 sw

The .40 S&W is a rimless pistol cartridge developed jointly by major American firearms manufacturers Smith & Wesson and Winchester. The .40 S&W was developed from the ground up as a law enforcement cartridge designed to duplicate performance of the Federal Bureau of Investigation's (FBI) reduced-velocity 10mm Auto cartridge which could be retrofitted into medium-frame (9mm size) semi-automatic handguns. It uses 0.40-inch (10 mm) diameter bullets ranging in weight from 105 to 200 grains (6.8 to 13.0 g).

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  1. trevi

    Save the .40s

    This video got recommended to me on YT and I must say, WOW!! I frigging lo-ike it!! Would be cool to try this with the 9mm case out of a 10mm A. Fortunately, I love the 44 mag and have some left over 40 SW brass. What do you all think?
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