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Old 05-08-2012, 05:00 PM   #11 (permalink)
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I will compare the two... If they look off or if my valves don't work I would think contacting PTP Would be the next logical step.
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Old 05-08-2012, 05:01 PM   #12 (permalink)
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I will compare the two... If they look off or if my valves don't work I would think contacting PTP Would be the next logical step.
I agree.
I want to cover all the bases before contacting them.
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Old 05-08-2012, 06:08 PM   #13 (permalink)
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As stated before, I have the body washer.
I know you do but If what AGD told you is in fact the issue. Adding meat to the area where the spring sits might just work out for you
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Old 05-08-2012, 09:45 PM   #14 (permalink)
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wouldn't that also cause the bolt face to sit farther back from the detent? i can only imagine that would have the potential to cause its own issues...

EDIT: The original issue... not adding "meat" lol

Double Edit: I should complete a thought before i click save... If the valve is indeed sitting too far back would it be possible that the burst of air to fire the ball is potentially/partially escaping out of the feed neck?
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Old 05-08-2012, 10:01 PM   #15 (permalink)
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Let's see how it plays out when I send it to you Squid.
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Old 05-08-2012, 10:15 PM   #16 (permalink)
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If the valve is indeed sitting too far back would it be possible that the burst of air to fire the ball is potentially/partially escaping out of the feed neck?
I was thinking the valve screw is in the same place, but the face for the bolt spring was too far back. That would keep the bolt from going all the way forward, restricting the air flow, as well as not going all out the barrel.
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Old 05-08-2012, 10:18 PM   #17 (permalink)
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I was thinking the valve screw is in the same place, but the face for the bolt spring was too far back. That would keep the bolt from going all the way forward, restricting the air flow, as well as not going all out the barrel.
That's what Dave is surmising as well.
Could be that some where not machined the same as others.
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Old 05-08-2012, 11:17 PM   #18 (permalink)
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ahh gotcha... that makes total sense. some easy measurements will tell us if that theory is true!
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Old 05-12-2012, 10:30 AM   #19 (permalink)
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Ok, so I got my mags back from AGD.
I have a measured difference of 1/8th of an inch from the breach where the metal ring sits, to where the body meets the valve.
This is without the metal o-ring in it.
This was measured using a ULE body.
Can someone see if they have they have the same difference.
So, what this means is that the spring sits back a minimum of an 1/8 of an inch more than on a regular mag. Addin the ring, and I think you are closer to a quarter of an inch further back. And with mag tolerances, I think this will definitely account for more pressure being needed, causing the valve to start venting before it reaches proper velocity.

I am going to try cutting back one of my spare grey springs considerably, to see if that solves the issue.
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Old 05-12-2012, 04:54 PM   #20 (permalink)
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Interesting to see if these are the same measurements on the bodies that don't have an issue.
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