DHart, I see that you don't mention the fps so you don't have a chrono right? Clean the barrel for sure but, you need to slow the pellet down a bit. I bet on HI it is shooting the 18's at over 1000 fps. Mine shoots about 950 fps with the 25 gr JSB. Try shooting the 18's on LOW power. That will still spit them in the 850 range. Mine is super accurate with 18's on low. But then it is also very accurate with the 25's on Hi and Med.
So maybe clean the barrel, put about 20-30 shots through it to season the barrel again and then try shooting the 18's slower. I bet you'll see a big difference.
I shot this card with 25's on MED at 50 yards this week. The groups on the diamond points are all 10 shot groups.
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Crusher... thanks for that information. I will try that in the morning.
You must have the HP version if yours is sending a 25 gr pellet at 950 fps? Mine is the standard version, not HP.
Here are the velocity tests done by Daystate and by AoA:
Daystate Factory Chronograph Test
21.4 gr pellet = Avg 861.2 fps
AoA Chronograph Test (which I assume was an 18.13 gr pellet, though I'm not sure as the test printout doesn't specify pellet weight)
18.13 gr pellet = Avg 918 fps
How does this compare to the velocity numbers for your RW?
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