From a bench with a .177cal pellet and a rifled barrel with an FPS of around 500, its almost impossible to tag a popcan with any degree of accuracy out to 300 feet. You're trying to tell me you can do this with a smooth bore barrel and with a bb. I don't think so.
I regularly shoot 10m (approx 33 feet) with a couple of target pistols (webley tempest, and Weihrauch HW40PCA) and thats hard to do. At 10m I can get a 2.0" ctc on average when I am having a good day. With an airsoft pistol, forget it, I wouldn't even bother measuring the ctc. Now you're telling me you can get a ctc of around 2.0" with an airsoft pistol at 300 feet, because a ctc of 2.0" is basically a pop can being hit consistently. You are very mistaken. The air pistols I shoot are far more accurate than any airsoft pistol, they both shoot around 500fps; they both use .177 lead pellets with steel rifled barrels. What you are describing is not possible. It would be hard to hit a popcan consistantly with a scoped .22lr bolt action rifle at 300' (a football field) unless you are a skilled marksman. At 10m with a mid grade pellet rifle I can shoot a .75 ctc over 10 pellets. At 300 feet it goes out the window.
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