[HOUND1]

Until recently, I was looking for a barrel kit, but i realized that I only use 3 kinds of paint, all of which are the same size. It is smaller than your average paint from a few years ago, but not super-small. So is .685 good for most medium-small sized paint, or should I step it up to a .687?

This post has been edited by HOUND1: 15 April 2010 - 04:46 PM

[scooby doo]

mind telling us what kind of paint you usualy shoot? I use .687 for just about everything. although I don't think that you would have any problems with .685 because yes, the average size of paint is shrinking. and under boring is usualy alright.

[Riddler]

Depends on the paint you shoot.

For what it's worth, I've been using my .679 insert a LOT lately. This past weekend the paint was a massive .682.

[HOUND1]

Yeah I forget the brand of good paint I use but the cheap stuff is Valken Breach. Like I said it is almost the exact same size as the other paints I use, but is much lower quality.

This post has been edited by HOUND1: 16 April 2010 - 02:20 PM

[mike7822]

I had a .685 barrel on my pump. It worked fine and the only time I had problems with it was the the winter when the paint was brittle. Other than that the .685 worked fine for me.

[scubasteve186]

paint is starting to get smaller. personally i go for .688 when possible, but i think .685 is all around good because its kind of near the middle, so it should shoot paint pretty good for most paintballs

[Eskimo]

heres a good general rule

1: Unless your religious and will not convert, underboring is always safer, if it is by 0.001 or by 0.100 when you underbore you are making the paintball squeeze to the diameter of the barrel, as paintballs are not 100% perfect some may be slightly bigger or smaller, when pushed through your barrel the paintball squeezes and the difference is lost.

Although old school people believe Over boring is the best, and by all means they can go for it, but usually paintballs Can break faster inside the barrel and they also will not clean as well ( becuase of extra space)

and as special ops has stated they love to paint match, well as I understand if you have a perfect paint to barrel match then any inconsistency's within the paint will magnify due to someballs having a underbore effect while others have a overbore effect.

[MaDuce]

I like to overbore, but not by .690 or .691 or anything that extreme. Also, it seems paint is becoming smaller in general.

I would argue paint breaks faster in a under-bored barrel, as your paint is getting squeezed and more pressure is accumulating all over the shell. More points of contact, means more friction, which means more breaks.

I roll with a 14" one-piece barrel in .689; gives me a happy-medium.

[MaDuce]

Schecter, on May 23 2010, 05:57 AM, said:

MaDuce, on May 17 2010, 05:21 PM, said:

I like to overbore, but not by .690 or .691 or anything that extreme. Also, it seems paint is becoming smaller in general.

I would argue paint breaks faster in a under-bored barrel, as your paint is getting squeezed and more pressure is accumulating all over the shell. More points of contact, means more friction, which means more breaks.

I roll with a 14" one-piece barrel in .689; gives me a happy-medium.

not true, overbore offers no benefits that anyone has been able to prove as of yet. However overbore wastes so much air that is is grosely less efficient than either barrel match or underbore


I would honestly go with .678 http://www.lurkerpai...igenbarrel.html
If you're gun is A/C threaded you can't beat it.

It's just my experience. Again, I don't massively overbore, just a hair larger than the average size of the paint I use.

Links to back up your claims?

EDIT: Wait, nvm, he's banned.

This post has been edited by MaDuce: 05 June 2010 - 08:55 PM

[Eskimo]

Me duce, the Overbore underbore agrument has pretty much stalmated with this:

The amount of breaks within the barrel in overbore versus underbore boild down to your humidity index at that exact moment.

When two paintball barrels are tested with 500 -1000 -1500 and 2000 rounds individualy:
If there is a low to medium amount of moisture build-up on the paintball, generally the overbore will have no more, and no less breaks then a underbore. For the most part. the difference between the numbers 490 non breaks versus 10 compared to 489 non breaks versus 11 breaks.
is so small it doesnt matter.

When there is a large amount of moisture build up on the paintballs, Generally the overbored barrels will tend to have a few more breaks.
once again the amount is VERY small in ratio but slightly higher then the ratio of a underbored barrel

[MaDuce]

If that's the case, then it explains my experience considering I live in a place with near zero percent humidity.