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:66, Page:256
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: Low - .150" (3.8mm); Medium - .285" (7.2mm); High - .560" (14.2mm).