Posting this at lunch from work, so... Arlington has a shop that sells implements which propell projectiles at high speed on Park Ave, between the intersection with Mass Ave and the intersection with Lowell Street. It's the PSMG --- Shop, I believe. I think they used to have a range in the basement, though I don't know if it could accomodate the item in which you're interested.
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Date: 2011-11-21 06:05 pm (UTC)