Huge it definitely is. But a powercustom base and Burris Signature Zee High rings and you will have a decent amount of clearance between the bell and barrel.BigMike said:`
The Simmons WTC18 is a 6.5-20X 50mm AO scope.
It is HUGE with a objective bell OD of 63mm........! !
Those numbers represent the relative magnification range... or variable power in a scope. From 6.5 to 20 times (X) magnification.jhf said:what would be the meaning of the difference of a 6.5x20 and a 6x24?