This steel front ramp is ultra practical with a modular plunger design that allows quick installation and removal of any of the Masterpiece front sights and hoods. Available in several barrel diameters, each with its own ramp height. The bands are also stretchable to accommodate custom barrel dimensions. Internal diameter is straight, not tapered. Furnished in the white. Overall length 3.345", band length 1.180", top flat length 1.100", width .335, set back .190"FeaturesElegant and practical front sight/ramp combinationFront sights and ramp hood held in place with plunger locksOffered in different sizes and band may be stretched to fit barrels, inside diameter not taperedUses Masterpiece Banded Front Ramp hoods 690837, 273384 , 711671Uses Masterpiece Ramp Interchangeable front sights