I agree they are hard to get to, the trick is not to damage them. I owned one of the original Impacts .25 (gen1) when AOA sold FX and I never changed a single Oring in 4 years and countless pellets. I didnt mess with it much (tuning) the first couple years as it shot the .25gr JSBs lights out. Eventually I tuned it for the 34s around 910fps before Power Plenums were a thing. I sold it a while later and tryed other guns. The thing I like most about the power plenum is the low reg settings and great shot count. I own the M3 now .22 and so far so good for me.Not saying their regs are trash. All regs will need service at some point. Is what it is. The fx are probably the most challenging and difficult ones to do on the market. There are two Oring’s in the process that will test your patience. Hence why you don’t want two. Most regs are straight forward and don’t have buried tiny orings you can’t hardly see.
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