4200 is OK.. but if you wanna shoot longe range that implies clicking for range.. My 4-16X50 will not return to zero after dialing the range in once...
Maybe it is a lemon but I'm looking @ nightforce or IOR now...
Bushnell makes a 4200 Elite tactical with turrets and is designed to dial back and forth..I have not used one but Ian tested one and had no complaints that I remember