Effects of a HEAVIER HAMMER WEIGHT in the FX Impact M3
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Published 2023-07-22
In this video Im testing the standard 6 gram hammer weight against two heavier hammers weighing in at 7,5 gram and 8,5 gram.
Im testing to see if there is an improvement in accuracy and the general feeling of the gun after the install. The tests are performed at 100 m.
Please leave a comment in the comment section about your experiences or if you have questions.
Best regards
Peter P/Viking Airgunner
All Comments (21)
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Really nice explanation about barrel lenth and reg press. And hammer weight. Thank you.
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Great information, thanks for sharing.
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Good shooting Viking, i have the huma 7.5 in mine, 25 cal/600mm, absolutely drills the jsb knockouts, very accurate.
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I had the Huma heavy hammer in mine. Try setting the reg at 165 bar that gives the hammer something to strike against, then you can play with the hammer strike and go for a short crisp blow of air, this will reduce the exit turbulence I had slugs going through the same hole at 50 yards, ❤
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Great video, very useful indeed 👍 👌 👏 😀
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Very nice 👌 Thanks for sharing 👍
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Outstanding video. I've installed the FX Tungsten hammer & slug power kit in my .25 Maverick. It's now pushing 44gr H&N Heavies at 1090fps. 2cm groups at 100 meters. Front reg is at 180, rear at 150 bar. I'm working up to 300 meter shots (hopefully). Thanks for sharing.
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Defiantly try a higher pressure and shorter strike will be interesting to see your results in that calibur I was shooting .30 and as previously mentioned was getting incredible results, for reference my gun was m3 with 700mm barrel ❤
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Looks like a very interesting airgun
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Great video. Thanks.
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tenho uma carabina fx imapact mkll e tenho esse mesmo problema no agrupamento, sempre muda o ponto de impacto
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Primeiro leik👍 parabéns pelo ótimo trabalho
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Buen video lo que afecta más en los diferentes pesos es la precarga que hace en el resorte no es tanto el peso si no la precarga que hace cada martillo
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Hey Peter, hope you can get the 177 20gr up to 1000+. Look very forward to your next Utupie…👍😀
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Great video! Watched a lot of them now! You should show more close up when stripping and rebuilding the gun, it’s interesting to see how different people do it. Have you done any testing on .22 calibre?
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M3 800mm tensioned tungsten hammer weight NSA 28.5 - 31.2 800- 850 fps 45ft lbs accuracy at distance.
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Interesting... I noticed that the heavyer hammer weights have a longer flange that will make the hammer spring more compressed. If so, some of the effect of just changing to a heavier weight is a higher hammer spring setting? Am i right?
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There are so many factors involved, that I just can't stop tinkering - and every time I regret changing anything. Weirdly, In case helpful to anyone, I've got a fantastic tune on my Crown mk2 for 18grain JSBs, shooting them at 950 fps. I'm running the reg at 95 bar using the 700mm barrel and Huma slug kit plus heavier hammer (although I don't use slugs). My extreme spread is a bit high at approx. 15 fps, but it doesn't seem to impact my groups. I shoot at 50 - 75 meters.
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The gun still adjustment macro and micro after install 2 hammer weight? Please answer to me ! Thank you.
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With the light brass hammer of those 2 and my Maverick with the reg of 60 BAR or so, i still push 13 grains at 1000 FPS, and the rifle sound like a blowpipe. I still feel that hammer are a bit too heavy, i am contemplating cutting into mine to lighting it a little.
