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thanks for reply, it sounds like a good idea, and I will do that.

thanks for the reply, everything helps, I have a chronograph, and I'm in the process of tuning my airgun now, thanks for the help.

Hey I have a FX Pantera whit 700 mm barrel, And I'm locking for a good tune for the JSB KnockOut cal.218 25.39gr. Does anyone have a...