I prefer to underbore when using my pump, but I slightly overbore when using my mini.
The way I see it, the chance of breaking paint is very small when I use my pump because I shoot 50 rounds a game. But when I use my mini I use upwards of 400 rounds a game and I usually break somewhere between the 200-300 round range.
All this talk of under/over boring... shouldn't we just use the right barrel for the right paint?
No, because of the slight variations from ball to ball you'll get the worst possible shot to shot consistency that way.
True, because if you try to perfectly match, paintballs are never perfectly consistent and you will find that some balls will be underbored and some will be overbored. If you oversize or undersize the barrel, then you will have consistency.
In regards to breakage, I understand the testing that has occurred, but I have run into specific problems with tournament paint at PSP and NPPL. This was specifically with Ultra Evil (not the regular Evil you get for practice, the stuff bought off the trailer at tournaments). Recently at Chicago Open, if I underbore even a little, I get tons of barrel breaks, perhaps 4-5 per game. This would be balls averaging 0.686, trying a 0.682 and 0.686 bore. When I upsized to a 0.688, I still got 1 break every game or every other game.
Different tests come to different conclusions. The video above suggests overboring is better, Cockerpunk's testing on youtube shows underboring is better. What we can all agree on is that matching paint is a horrible idea and as long as you are consistently too big or consistently too small (within limit, obviously shooting paint that bores in at .689 will not work out of a .675 freak insert) you will not have any issues.
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I agree!! Why change what your doing if it's working for ya!! Myself, i've ALWAYS found it better to overbore, and only barrel break's i EVER had in year's of tournament play was when i use ultra evil or evil and not alot at all, plus no accuracy issues, ALWAYS ball on ball, plus been doing it for year's now so there's no reason to change, and people who underbore probably say the same!! Just if you underbore and are shooting brittle paint like ultra evil and someone who overbore's get's barrel break's, won't it be twice as bad for the person underboreing??
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Perhaps, it has gone the other way with underboring. In another event, I overbored slightly (.688 on paint that was .686) and was getting breaks every game with Ultra evil. Switched to .682, lowered pressure, and resolved breaking issue.
I have also seen that I can shoot through a break more easily if I am underbored.
Ok, if a ball can be blown thru the barrel with a little resistance, is that considered an under bore or paint matching? One thing everyone seems to agree with is that paint matching is bad. So help a brother out and tell me at what point of the blow thru the barrel test, becomes paint matching? Thanks