diesel for along time when new? Mine did even after 500 pellets through it! I finally got tired of it and tore it down. There was lube every where!!! A thorough clean was done and the gun was fine. The reason for my question is if they are all this way, would 860 fps be a real number? After doing alot of searching, I found that alot of 97's were shooting low 800's. Obviously your tune really wakes these guns up.
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