Bore Sizes on Aftermarket Barrels

[FUBAR]

A couple of simple questions really:

1: What bore size is classed as "Normal" / "Standard" or is most widely used?

2: What difference do the various sizes make?

FUBAR

 

[SirJinks]

1. IMO .689 seems the standard available bore

2. All depends upon the match of your barrel and paint. In short you want to match the bore of the barrel as closely to the paint as you can, to benefit from straighter / more gas efficient shots.
Too small a barrel bore and you will burst balls, too big and you will use more gas and your balls may swerve more.

Hope this helps.

 

[Darkwerks]

Bore sizes are given in calibre ie a fraction of an inch. The "standard" for paintball is .68 . Most paint or barrels are given in 'small', 'medium' or 'large' bore, for convinience
As paint varies in size, a good match of barel to paint affects the accuracy of your shots. There are charts available on the internet such as this one which give an indication of what you might expect.
However, as paint is affected by tempreture, humidity and storage, it's not definitive. The way to test is to put a paintball into your barrel. It shouldn't roll out, but should slide out if you blow on it. There are various barrels with inserts of different calibre such as Smartparts Freak, and ones with click adjustments such as Psycho Ballistics Aradus which make it easy to adjust for different paint.

 

[ShinobiKatana]

A barrel/paint chart is available for download at : http://www.experience-paintball.co.uk/members/area
You need to be a member to download, but it is a very handy document. As the previous post states, there are many factors that will effect the size and shape of paintballs and this data assumes the paint is in perfect condition.

Hope this is of use

 

[FUBAR]

Cheers Guys, very helpful

FUBAR