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Old May 5, 2009, 09:36 AM   #5
batmann
Senior Member
 
Join Date: November 14, 2004
Location: Greenwood, IN
Posts: 773
As mentioned, a lot of factors go into velocity, bbl length, gap etc. If you are going for a Classic 629, I don't believe they come in 4" only 5" and longer. The regular 629's come in 4" and longer.
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