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Barrel length and bore diameter

4536 Views 3 Replies 3 Participants Last post by  mrdmr
Well I have done various searches on and off of this forum about barrel length and inner diameter and want to confirm what I believe I know. Well from what I have read a barrel between 430mm to 509mm is best, and either a 6.03, 6.05, 6.08 inner diameter. I am going for longest range and accuracy possible at a managable price(Mainly accuracy) so I was thinking a prommy 6.05 at 450mm. Also this is for a rifle I will be building between 500fps to 550fps and This is supposed to be about the best dimensions of the barrel, not brand of barrel or specifics about the gun it will go into. So just help me with the barrel info. If you would change the dimension let me know but I am stressing just barrel dimensions. Thanks,
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Ok well it is going to be in an upgraded well mb05 with a tuned pdi chamber. I will most likely be using goldenball .3g bb's. I need to see the barrel length needed and will go 6.03 because I have had good experiences with them. I am very thankful for the nice comments explaining the theory and I know it is complicated (no solid evidence and to many variables), and I know that it is the quality of the barrel but seeing as I like prommy barrels I am all set there. Once again thank you.
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