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.270W barrel length vs. velocity


Guest MERRILL

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Guest MERRILL

Can someone tell me how much velocity I would lose by choosing a 22 inch barrel rather than a 24 inch barrel in a .270Winchester? I roll my own using 58.7gr. H4831 under a 130gr. bullet.

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Most gun people go with for every inch of barrel difference you can expect a 25 feet per second difference for standard cartridges such as the 270 win and about 50 feet per second for magnums. so in your case u may lose up to 50 feet per second on velocity with a 2 inch barrel difference.

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