Dovetail Scope Base - No. 100-4 Dovetail Scope Base

Brownells Dovetail Scope Base gives you the ability to update any of those millions of older .22 rifles to accept modern rimfire optics. Made of tough, durable, aluminum; black anodized to compliment blued firearms. Solid, rigid support. Accepts all tip-off rings designed for 3/8" nominal dovetailed receivers. Pre-drilled and countersunk to accept three 8-40 screws (included). Drill and tap receiver to mount. See our 12" long base stock below for all those special applications. Mfg: Brownells SPECS: Aluminum, black, anodized. 100-4 - 1" dia. fits the larger receivers of 1" and 1.05" (2.7cm). Both are 4" (10.2mm) long.