TBB,

I think they only come with one extended. (The rear one) You can buy two sets and use both extendd rings, if you like. But I don't believe it's necessary. It usually moves the scope back about 1/2 inch. That's about all you need to relieve the problem.

Grasshopper

"As you walk thru life, don't be surprised that there are fewer people that you encounter seeking truth than those seeking confirmation of what they already believe!"