S510 U.S down in power!

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Kop77
Posts: 10
Joined: Sun Nov 12, 2017 11:31 am

S510 U.S down in power!

Sat Apr 07, 2018 6:23 pm

Hi all,

I have about 500 pellets put through my new S510 Ultimate Sporter Xtra FAC and I noticed today that the power seemed to be down as the pellets were not penetrating as they used to!

I popped the chrony on and sure enough instead of the normal 30 odd ft/lbs all in getting is 9 ft/lbs on full power and about 4 on minimum.

Anything I can do or check myself before I go back to my local gun shop,

Thanks..
Air Arms S510 Ultimate Sporter Xtra FAC
Hawke Vantage 3-9x50

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Roger5
Posts: 1071
Joined: Sat Jul 25, 2015 8:04 am
Location: Hampton middlesex

Re: S510 U.S down in power!

Sun Apr 08, 2018 11:11 am

sounds like the power adjuster has moved and is closing the transfer port, take it out of the stock, there is a locking screw underneath the adjuster, set the power and lock the screw, don't over tighten or the seals will leak. Rog

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