I just bought a used RWS 850 Airmagnum. It shoots super accurate at 10 yards (single hole groups), but the pellets bounce off of a magazine at 25 yards. Is that underpowered? It is running on a full 9oz bottle. If so, If I blow into the barrel with the bolt closed, or with my finger over the breech end of the barrel there is some resistance but I can pretty easily blow through it. Is this normal or a seal/valve issue?
thanks in advance.
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