I would like to ask FX ipmact x when choosing 2.2mk2 bullet type tail should choose how big? I see 660 of 650.
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On the Use of MK2 in FX ipmact x
- Thread starter shanshan
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For 600mm barrel, 23 to 26gr should be good.
For 700mm barrel, 26 to 30gr should be good.
22 caliber.
For 700mm barrel, 26 to 30gr should be good.
22 caliber.
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For those who want to know , a 24” (600mm ) barrel is able to push a 39gr. projectile to well over 900 fps . The issue with that is it is not going to be efficient . I’ve recently bought an impact with a 600mm barrel , in stock form with nothing more than reg at 140 bar and hammer cranked to full I was launching 30 grain BBT cast bullets to 830 fps . If you want a gun capable of huge power , this is not it . Not with out some serious mods anyhow .
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My MKII Impact - built by Ernest Rowe - did 70fpe in 22 caliber during stress testing. I've shot it at 59fpe with 30gr slugs going 940fps through 700mm barrel.....148bar. This gun has quite a bit more in reserve.
80+ fpe in 25cal and 100+ fpe in 30cal. Fairly sizeable amount of power IMO.
80+ fpe in 25cal and 100+ fpe in 30cal. Fairly sizeable amount of power IMO.
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Agreed. IMO. There are other platforms more suited to higher power levels. It is still a very capable gun however, just not the one I would choose if I wanted over 80fpe.
Bb
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