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I want to build an AR 15 in 458 socom. I am considering an SBR, for purpose of taking it in back-county scouting / hiking / backpacking. What barrel length / twist works well for this cartridge?
Or are there other BIG BORE AR15 cartridges would be better for a short barrel. (Looking for something bigger than 300 AAC).
Or are there other BIG BORE AR15 cartridges would be better for a short barrel. (Looking for something bigger than 300 AAC).