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Prometheus - EG 6.03mm Barrel 363mm Q&A
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I run a PolarStar JACK in a G&G SRXL, i notice that the JACK stays around 360 fps using 80psi, my field limit is 400fps, if I buy this It will bump my fps up but if it goes higher than 400fps then I have to lower my psi and in you review of the JACK you said you like run the dwell higher, so would you recommend a widebore or tightbore for the PolarStar JACK?? View answer
