so what t can recommend about the impact is get the velocity you want with the lowest hammer spring setting you can achieve it with. Then start turning the valve in until your velocity just start to drop, then stop.
This is what did with my M3 and my extreme speed is low something like 6-8 fps
Good shooting hope this helps
This is what did with my M3 and my extreme speed is low something like 6-8 fps
Good shooting hope this helps
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