RAW Rapid RAW HM1000 X Questions.

Will see on Wednesday if it makes a difference.
They use a progressively wound spring. I’ve never attempted to install it incorrectly. But it’s highly likely it compresses differently if installed incorrectly.
Not sure if that would result in variables though.

Does you assembly include the intertia weight and spring? Inside the hammer?
 
Will assume PEG is actually REG ?
If volumes are that small it is no wonder why these rifles are Low ES ... but lack anything close to what larger plenum PCP's are producing for power these days.
That is why I installed external plenums.

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Started shooting 5 shots groups with 25.39 MRD's at 25m indoors yesterday.
After 5 shots I adjusted the hammer spring a quarter turn at a time. Shot 5 more shots to settle the spring, and then shot groups.
When I had them just about go through the same hole, I started fine tuning with very small adjustments to the hammer spring.
I stopped when I got the smallest groups.
I then moved back to 50m, and the rifle again produced excellent groups.

It was clear from the outset that the rifle is very sensitive to adjustments on the hammer spring.
The vibration that was evident before, has now disappeared.
Velocity was right on 930fps.

The RAW is back to shooting like I know it can!
 
Thank you guys for all the advise!

Update on where I am with it.

Friday morning I took it to the range and shot groups whilst adjusting the hammer spring.
I stopped when I got a fairly good group at 25m.

Yesterday I shot 50m competition with it. My first card was my lowest total ever 197:eek:
I then turned the hammer in all the way and slowly started backing it out until it cocked. Shot some croups on the sighters and adjusted out until I got it to hold a group. Needless to say the whole process and stress was not conducive to good accuracy in a competition. At least I managed to get it to hold a group at 50, and shot a 231 in the second card.

Today I disassembled the hammer, and low and behold! Seems we put the hammer spring in the wrong way around when it was taken out. Was also quite dirty in there. Cleaned everything out, turned the spring around and re assembled. Fired a couple shots, and I am not sure if it is my imagination, but the shot cycle sounds better now.

Wednesday I will take it indoors and see if it is sorted now.

Hold thumbs!!

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So is this picture RIGHT or WRONG. Does it really matter?