Wrote them myself, got this in return for all to see.

Hi Josh,
When I was building the Tippmann Effect markers a couple of years ago I tried a lot of different things with regs. To reliably get 300 fps I had to run the CP regs at 600 psi. What I do is make a delrin shim that goes in the spring stack to stiffen it up a little.Depending on the paint size you might get away with 550 psi, when I played indoor and the field speed was 250 I could get away with 450 psi. I have also had issues with the cyclone feeding below 450 psi. I have done several cyclone mods with the Tec-T parts and found they actually needed more pressure than the stock cyclone. As far as rates of fire and drop off I only use the Rampage boards on PSP mode which is 15 bps and I see no drop off at any of the pressures. I'm not going to say you can't run an A-5 at 400 psi but to do it you must get lucky and get receivers on the tight side and possibly shooting at lower velocity. Hope this helps.


Thanks,

Rick Lawler
Rhythm Innovation

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