Each Weaver base is machined to tight tolerances for a custom fit. These aluminum bases offer maximum strength for rings to hold tight. Machined to tight tolerances for a custom fit Made in America Offer the rock solid Weaver cross-lock design to fit a variety of rings #html-body [data-pb-style="62DF828840ECE"]{justify-content: flex-start; display: flex; flex-direction: column; background-position: left top; background-size: cover; background-repeat: no-repeat; background-attachment: scroll; border-style: none; border-width: 1px; border-radius: 0px; margin: 0px 0px 10px; padding: 10px;}#html-body [data-pb-style="62DF828840EDC"]{border-style: none; border-width: 1px; border-radius: 0px; margin: 0px; padding: 0px;}