Marble Arms Rifle #66h Flat Top Long Shank Rear Sight
Marble Arms Rifle #66h Flat Top Long Shank Rear Sight, Perfect as replacement sight for customizing the sight picture, or adding adjustment to fixed sight guns. Fits standard 3/8" dovetails; available with Flat Top Uprights. Mfg: Marble Arms SPECS: Dovetail Model - Total heights: #66H .350" (9.0mm) -.630" (16.0mm).