Aluminum Alloy For Less Weight
Horizontally split and made from heat-treated aluminum alloy to dramatically cut weight without compromising strength. Allen-head cross bolts make them easy to remove and replace. Fit Weaver-style bases.
Big Book Catalog, Issue:68, Page:275
New Product Supplement, Issue:541, Page:000
SPECS: Aluminum, black or silver matte finish. Fits 1" (2.5cm) dia. scope bodies. Height from top of base to inside bottom of ring: High - .560" (14.2mm).