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Old 08-16-2013, 12:07 PM   #6 (permalink)
Ole' Papa Pump
turbowagonman's Avatar
Join Date: Oct 2012
Location: Chardon, Ohio

Originally Posted by Crimson Wolf - AWP View Post
I was able to get in and cut the spring down a bit. Now my velocity is mostly under 300 but all over the place. I'm thinking I should have stretched the spring out after cutting it, could that make a difference? The only other thing I did was lube the internals. Maybe it's the 2 year old paint I'm using...
One thing I've noticed when chronoing ANY gun is a good paint to bore match is essential if you want to have the +/- 5 fps. Old paint most likely has flat spots and isn't that round so that would be an issue I would address. Until you can get a good paint to bore match it's going to be tough to get a consistent FPS reading.

Started with a Splatmaster, moved onto a Nelspot 007, then came the Autocockers, then a STERLING Pump, next was a Bob Long defiant then a PM7. As of now I have 10 Sterling Pumps, 2 Phantoms for SC, a CCM SS-25, a PGP and a Sovereign 3.

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