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Old April 10th, 2013, 22:49   #14
cav.'s Avatar
Join Date: Mar 2013
Location: Etobicoke, Ontario
Originally Posted by L473ncy View Post
Note the reason why I run .25's indoors is because of the shorter engagement distances and the heavier the BB the longer it stays in the barrel for gas to act on it (gas expansion vs a more "linear" compression of a piston in an electric). For a short pistol it's not a big difference but in a gas rifle with a longer barrel you can actually increase the energy output of the BB significantly when using heavier BB's.

tl;dr Mind the energy output of a gas gun and the weight of BB you use. While in an electric it's more or less linear so a .20 will take the same energy as a .25 or heavier (they just move slower due to the momentum equation "m1v1=m2v2").
I probably will buy a bag of 28s to see the difference. Since my rifle is also a GBB, chances are I will just run with 20s and 25s. Dont think Ill do much outdoor events. Its good to know though
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