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Posted: 3/1/2006 8:57:11 AM EDT
Well what is it? I want to cut down my 16" to a lenth that will give max velocity, full powder burn, and lastly short as possible. Any one have it figured out?
Link Posted: 3/19/2006 7:28:17 AM EDT
[Last Edit: 3/19/2006 7:39:20 AM EDT by Kaliburz]
Well, if I recall, the Tommy Gun has a 10" (or 12" w/ the comp) barrel and the Grease Gun has an 8". I don't know if that maximized velocity/energy or was just the barrel length that was most managable. Granted, this was on a SBR type weopon.

edit-
I chrono-ed my 1911 5" barrel vs a 6" barrel and the velocity went up by around 75-80 fps. I'm thinking a number between 8 and 10 inches should be fine.

Being used on an AR weopon, using a ACE buffer set up, an AR 45ACP pistol could end up just as long as the Tommy gun or just under.
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