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Old 01-10-2020, 04:27 PM
Texas Star Texas Star is offline
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So, how do you load that 4" .45 to get five-inch .45 auto ballistics? S&W and Colt used 5.5 inch barrels in 1917. The added half inch supposedly made up for the gas loss at barrel-cylinder gap.

What velocity do you get from factory .45 ACP ammo in that shorter barrel?

Last edited by Texas Star; 01-10-2020 at 04:33 PM.
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