Hey andy,
That's great info. Even before I purchased my 48 I have look into tuning it. But after shooting it "stock'', I have say, I don't think(at least for the moment) that I will change anything. Today I popped a crow at 55yrds. It dropped like a bad habit. Besides the 48 I also have GAMO BIG CAT in .177. I think that the GAMO is not that bad for the money, but the caliber did not support the velocity. I am really impressed with the .22, accuracy is great, but over here 55yrds is pretty close, so head shots are not always possible. Hey, I have two quick questions: 1, why do you guys cal