FX about tuning fx impact for pellets and slugs at the same time?

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PigeonMan said:
On my gun I dont even mess with the valve or reg. Valve leave on line 4, and reg set to your prefer and leave it. Then adjust your quick tune or wheel up and down for pellets or slug. Works for me. This way you aren't chasing reg and valve for that .001 inch accuracy.
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thanks for sharing your way of tuning
as you know valve adjustments will give you more accuracy and more shots per fill that’s why i play with it so i am not wasting more air + looking for best accuracy
 
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I tried accomplishing the pellet/slug thing on one reg setting with several Impacts over the years. I could never get the guns to shoot to my standards with both. So I built a barrel and played with the length of it and figured it out. Now I have a gun that shoots both excellent with just a couple clicks of the hammer wheel. The slugs needed more barrel to get to their optimal speed without a high pellet unfriendly reg setting. Just had to find the magic length where I could get both to meet in the middle. I didn’t want to shoot a heavy pellet to compensate for the weight of the slug. I wanted to shoot hunting pellets that are lighter than my slug.
 
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milanilo said:
hi everyone

since the valve is a big factor regarding the tuning process of the fx impact
can i tune the gun for slugs and pellets at the same time?
for example the hammer wheel on 10 for jsb 34 gets me 920 and 14 gets me 960 on HN 36 gr slugs
OR do you think valve opening and closing will be an issue regarding accuracy while tuning for both ?
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I just picked up a new FX Impact M3 in 30 cal and it came tuned from Utah air guns. After fiddling with it and watching the tune videos I spent some time chronographping and tuning for efficiency. Long story short , after tuning to 50 yards with jsb 44.75 pellets I tried a few of the fx hybrid slugs. The slugs were several inches right of the pellets but were within an inch. I thought that’s pretty good and left it at that. I plan on being mostly a pellet shooter but thought it was worth a comment on the subject. My shooting buddy gave me the hybrid slugs since his older impact wouldn’t group with them.
 
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