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Are you using CO2 or HPA? If using CO2, it will help maintain consistency. I don't think it will help with accuracy. The PPS stab has one of the best recharge rates around for a regulator and one of the most cosistent, once broken in. The stablizer is more for keeping the same consistency from shot to shot. When using one on my A5, I was able to maintain a +/- 5 fps across the chrono. I guess if you are having velocity issues affecting your accuracy, then yes the stab would help. If using HPA, the consistency is not that big of an issuse if using a good reg on your HPA bottle. Do you have a stock on your marker? Maybe you do not have a steady shooting platform during full auto bursts.

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