А в чем проблемы? Прямо в документе IRS так и написано:
An organization may qualify for exemption from federal income tax under IRC 501(c)(4) where it provides a community with supervised facilities for rifle, pistol, and shotgun practice and instructions in the safe handling and proper care of weapons. Rev. Rul. 66-273, 1966-2 C.B. 222.
no subject
An organization may qualify for exemption from federal income tax under IRC 501(c)(4) where it provides a community with supervised facilities for rifle, pistol, and shotgun practice and instructions in the safe handling and proper care of weapons. Rev. Rul. 66-273, 1966-2 C.B. 222.
https://www.irs.gov/pub/irs-tege/eotopici03.pdf
Или от этого какой-то вред обществу происходит?