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Vetmx you offend me sir... hot rod...pimping ... I'd post a picture but it would only help your point. Lol, honestly though I have 2 impacts and I add upgrades on the. 22 slug gun for one reason or another. The old parts migrate to my 2nd older impact.

I have heard that before and it makes sense to me. It is good to see you mention an FPS range. Most things i have seen/read only talk about the lack of adjustability not how much. With the .25 i am planning on using pellets so there is no need to tap into all the "devils power" Dan suggested...

I did the PP720 upgrade to the .22 full kit with the polished block. The .25 got the leftovers from the PPMk2 ill have to compare the 2 springs. It is rare for me to have both guns apart at the same time. I always do my initial tune with my valve adjuster at the 4th line (open). Good to know...

Interesting stuff. I left out the details of FPS and accuracy on purpose trying to maintain the focus on adjustability. What i am getting from what you said is : revert the hammer and springs back to stock, and tune the lighter hades on the mid end of the power wheel and hopefully id get 890 to...

Honestly I am lost in all the options. I understand that the impact has gone through tons of minor changes that are sometimes not documented in a useful way. I have 2 impact Mk2, I would normally do my own experimentation but I just dealt with a damaged Oring sealing surface @ C39 19790 so id...

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2L8 pretty much covered it all, my experience was very similar. I wanted the power left on the table +/- 30fps ---> bought a huma transfer port with probe ---> had mag jamming issues with the huma probe when cocking ---> switched to nsa probe ---> mag issues with loading ---> switched to single...

I had the same issue with a .22. Mine seems to work fine no issues yet. HUMA: "....Thank you for your email. It might seem that the TP is is not fully screwed in. The gap for the o-ring is slightly wider with our TP. This is because we have made it to be compatible with the older ones from FX...

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I have not done that yet. i was under the impression that high hammer preload at lower reg pressures would beat on the valve. Ill take the last bit of slack out of my power wheel, see what that does.

Firstly thank you for the tip, my barrel was seated properly. I always make sure of the barrel seating because i pull my barrel to install the huma single shot loader, so much easier than fighting it in place. Otherwise.... Posts like this make me pull my hair out. No offense to you 2L8, I...

@gendoc when you load the .218 do you feel any resistance entering the barrel? i feel nothing with the .217 on the superior.

I am guilty of chasing white rabbits, I have "upgraded" my ImpactX to current production mk2...I think.. In typical Tarantino style ill share the end of the story first. I am now consistently shooting unsorted/uncleaned .217 JSB Knockouts at 975fps dime size groups at 50yards, with a new 700mm...

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Got the block sooner than i expected, i was told it would be over a month wait. Tip for anyone else with this issue, when you order your new block be sure to get 6 rubber balls (magazine bumpers) and the reg gauge quad ring. The block i received is bare, black, and usual logos, no other...

It is my impression that a pellet as it is commonly known now is a diabolo O< shaped projectile. A slug is a bullet that uses the side of the projectile rather than an expanding skirt to seal the bore. I am speaking from memory, there may be differences between a slug and a bullet by...

I am about to do this test on my impact. There are a few videos about this indexing and it isn't easy to wrap my head around it especially with all the variables in play. Do the rotational forces of the projectile rotate the liner, over time? Is there a known torque setting for the...

Are you using .216 or .217 jsb KO? Best groups at 885fps id assume, so they weren't as stable over 900fps? What was the max FPS tested? Sorry for the barrage of questions, i have slugs and a 700mm liner on order , trying to get a jump on the tune. Really hard to find any reviews for these...

@ n2stuff. The first thought that popped in my mind about your bore tightness is that your liner is in backwards. But i haven't recieved a liner myself (on order) so i can't tell you with any certainty if there is a lead in or a choke. @topic Pyramydair states that 500mm liners have the best...

Another way to get the most out of a low cost scope is fixed magnification. Within the same brand the clarity is noticeably better.