us optic rings base are they worth the extra $
i am wondering if anyone has any experiance with us optic rings, base, and anti cant. i know that they have the best anti cant on the market. i had 308nate build me a new match rifle that need rings base and anti cant. i have a chance to purchase all 3 componates new for $300.00. i need your input please respond.... are these worth the extra money...