Easily Installed, Compact, Low Profile, Lightweight, Strong, Rustproof, Positive Windage & Elevation Adjustments
In most cases, these sights utilize dovetail or existing screw holes on top of receiver to give guns the advantage of peep sights.
Big Book Catalog, Issue:66, Page:288
New Product Supplement, Issue:582, Page:004
SPECS: Aluminum, black, anodized. Peep height is approximately the same as a 3⁄16" (4.8mm) Open Sight Blade.