.308 is one of the most eficient bullets out there
because it has a very predictable trajectory that is why snipers prefer it, it is easy to adjust for diffrent ranges. if you zero at 100 you will always be 1 inch low at 200 yards, if you zero at 200 you should be about 3 inches low at 400 and 1 inch high at 100.
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in a world of compromise... some don't
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