12 gauge ok
*IF* you take the Rifle Class on any Sunday from 9AM to 10AM, after successful completion you can shoot up to 338 Lapua. Their backstop can stop up to a 50BMG, but they said the concussion would be just too overwhelming to allow it inside the bay.
Must take Sunday rifle course first. I know .308 ok, don't know about 50 cal.
I believe you can shoot some 30 cal there. But only after taking the rifle course.
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