10mm will be fine at those distances. AR500 or better is recommended although at those distances you would be fine with even a biz350 but if you use them close they might take a beating.
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Type: Posts; User: Gillie
10mm will be fine at those distances. AR500 or better is recommended although at those distances you would be fine with even a biz350 but if you use them close they might take a beating.
For...