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![]() | #14 (permalink) |
Post Whore |
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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![]() | #16 (permalink) |
MCB Member Join Date: Dec 2008 Location: Houston, TX | 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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![]() | #17 (permalink) | |
Post Whore Join Date: Jan 2010 | Quote:
Could be that some where not machined the same as others. | |
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![]() | #19 (permalink) |
Post Whore Join Date: Jan 2010 |
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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