Refilling PCP changes POI

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Widget23

Member
Dec 4, 2016
163
4
TX, United States
Why does my Royale 500 change POI whenever I refill it?
I just refilled from a CF bottle (filled at a paintball place weeks ago). I went from 150 bar to 200 in the rifle. It has an FX regulator installed from AOA when I bought it.

The POI (at 75 yds) moved up about 3 inches and to the right about 1 inch. This isn't the first time it has done this either.

Does your POI change when you refill your rifle?
 
THAT WAS IT! The end of the air bottle/cylinder (the flat end) was touching the barrel-adapter end of the shroud in one small spot. It was tight enough I could not slide a piece of paper between them. I took off the end cap and shroud, and there is a set screw on the adapter to the barrel. I loosened the set screw, and there was enough room to slide the adapter forward just a couple of sheets of paper worth. Reassembled, and the POI is back to where it was. I then refilled to 220 bar and the POI did not change.

I remember this being a potential issue since it should be a free floating barrel, but I never thought to check it.

Thank you Menttaliist!
 
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