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Old 03-21-2015, 12:47 PM #1
pb_animeluvr11
 
 
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12 gram on autococker

How do you get the most shots out of a 12 gram for an autococker?
Do you have to devolumize?
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Old 03-21-2015, 08:09 PM #2
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Either that or regulate.
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Old 03-21-2015, 09:02 PM #3
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I did this on a 98 cocker, last year I believe the valve chamber was smaller, I used red springs for both valve and IVG , was getting 30+ shots on 12 gram , set velocity for 275 high. Would hold at around that for 30+ good shots then drop off. Also under bored by one size( ran a freak .682, balls snug in .684- grafitti) hope this helps.
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Old 03-21-2015, 09:12 PM #4
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I would use a pre 99 for sure. The valve chamber is smaller and it was designed to run on co2 anyway. As a pump anyway......
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Old 03-21-2015, 10:10 PM #5
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Quote:
Originally Posted by CRAPGAME View Post
I did this on a 98 cocker, last year I believe the valve chamber was smaller, I used red springs for both valve and IVG , was getting 30+ shots on 12 gram , set velocity for 275 high. Would hold at around that for 30+ good shots then drop off. Also under bored by one size( ran a freak .682, balls snug in .684- grafitti) hope this helps.
Thought '98 was the first year for the enlarged chamber. Either way, yes, the older 'cockers and Snipers with high pressure valves and low volume valve chambers were built to run on unregulated CO2 and require no modification from stock trim to run 12ies. My '93 Navarone Sniper3 is such an animal, even more so, perhaps, for being a Mini cut, and I recently set up a '95 Carter 'cocker the same way because I love the other one so much. Note that I typically use a 13ci bottle, so I don't have 12gram stats, but it's quite efficient.
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Old 03-22-2015, 01:59 AM #6
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Shows what I know! I thought all pre 2k had the small chamber. Now I have to compare my '96 and '98. Curious minds want to know.

Thanks for the correction.
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Old 03-22-2015, 06:43 AM #7
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Shows what I know! I thought all pre 2k had the small chamber. Now I have to compare my '96 and '98. Curious minds want to know.

Thanks for the correction.
Your '96 will use a shorter (Nelson) valve spring.
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Old 03-23-2015, 10:02 PM #8
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I have a 2k3 prostock
How do i get it to shoot with 12 grams?
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Old 03-24-2015, 12:35 AM #9
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Quote:
Originally Posted by pb_animeluvr11 View Post
I have a 2k3 prostock
How do i get it to shoot with 12 grams?
a regulator or HP valve/spring kit
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Old 03-26-2015, 08:17 PM #10
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Like this
All stock parts and regulator .

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Old 03-26-2015, 08:34 PM #11
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Right, have to use a reg, or heavier springs. Stock, the springs in a 2k are for low/mid pressure. if the 12ie is putting out 800 psi, the hammer won't even open the valve, so get the pressure down or the force up. Pre-2k, not sure.
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