The max calliber is 438 winchester, which means you can shoot just about anything short of a .50 ....unless you have some weird caliber like 458 socom, .45 raptor, or 700 nitro you should be fine.
I have been there many times and have shot my. 308 here in the past. I typically shoot 5.56 here when fowl weather dosent allow for out door shooting.
Thanks for the quick replys
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