looking for fx impact M3 .30 cal tune for 54 grains NSA. I will really appreciate
thank you
thank you
Tuning Fx Impact M3 tune
- Thread starter vq1970
- Start date
160 first reg 120 ish to 130 on second reg max on macro 4 on the micro and open up your valve control up front it will go to about 2 turns after fourth line with out a Chrono it's going to be a guess because each gun is different depending on barrel length and gauge accuracy
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