Precision-made sight bases and blades milled from high-tensile strength, rustproof alloy. Dovetailed windage and elevation adjustments have hardened gib locks. Make adjustments quickly by loosening one screw. No dovetailing of barrel necessary. Bases sold separately.
SPECS: Bases and blades: aluminum, black anodized finish. Bases - All models except the One Inch have .5625" c-to-c hole spacing. Small - .347" radius, fits .660" to .730" dia. barrels Medium - .395" radius, fits .730" to .830" dia. barrels. Large - .440" radius, fits .830" to .930" dia. barrels. X-Large - .5625” c-to-c hole spacing .475" radius, fits .900" to 1" dia. barrels. One Inch - 1" c-to-c hole spacing, .500" radius, fits 1" dia. barrels. 26mm - .550" radius, fits 1" to 1.1" dia. barrels.
Catalog page 273