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Old April 12th, 2013, 13:02   #2
ThunderCactus
Not Eye Safe, Pretty Boy Maximus on the field take his picture!
 
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Join Date: Feb 2007
What brand of barrel?
If it has the proper cyl for 300mm, it'll need a new cylinder if you go above 340ish
Between 380 and 407, no big difference
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