Here is a list of some scopes that will do the job, it is best to get a scope with side or front focus. i have tried a lot of scopes and the maximum power i got to was a 6.5-24x50, the 1st and 2nd number on the scope is the most important, in most cases the lower the numbers the better the image
AGS SWAT 4-16x56
AGS Compact 4-14x42 [not the 3-12x44 Compact SWAT?]
AGS SWAT 3-12x44
Bushnel Banner 4-12x40
Bushnel Trophy 4-12x40
Bushnel Legend 5-15x40
Falcon Merlin Tactical fixed 10x mag **Best**
Falcon Merlin Tactical 4-14x56IR mag
Falcon Menace 10X42
Falcon Menace 4-14x44
Leu