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Old 10-03-2010, 12:26 AM   #2 (permalink)
Crimson Death
It's All In The Reflexes.
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Join Date: Nov 2008
Location: Clayton, NJ
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Originally Posted by sonixr7 View Post
Hello Dukie and fellow DRV owners, I have been shooting my DRV in my backyard and have not experienced any major problems.

I have a chronograph and was getting 270FPS on my first shot and then each consecutive shot the FPS got lower than the previous shot.

I am using a 10" stock Rainmaker barrel but I am unsure about the inner diameter. I am shooting Ultra Evil paint that measured between .678 to .682.

Do I need to use a overbore, underbore or paint to barrel match?

Will underboring increase my FPS on the DRV?


On a side note, I do love my DRV. I think it is the most fun I have had ever shooting a paintball gun/marker.
If you underbore to much you may chop paint. You might be able to underbore a little bit with Marbilizers but I wouldn't try it with Evil since it's really brittle.

I would just paint to bore match and see how that works. If you're still getting low fps ask Dukie how to do the hammer spring mod.

Edit: the more I think about it, even if you underbored and didn't break paint all the air would probably escape out of the sides of the cylinder.

Last edited by Crimson Death; 10-03-2010 at 02:32 PM.
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