There's a decent club that shoots service rifle in Indiana County; haven't been there in years. And there is a club that I have never been to in Hollidaysburg. Check them out. Wish I could help more.
I think the founding fathers meant exactly what they wrote: the government should not make any laws restricting the RIGHT of the people to 'hold or retain in one's possession' and 'hold or carry' guns and other weapons that would allow them to keep their government in line.