The Marble Arms RIFLE NO. 87 DOVETAIL SLOT BLANK is a precise, durable accessory designed to support rifles with universal fit applications, offering a reliable foundation for customization and restoration of rifle iron sights. Crafted in a classic black finish by a trusted name in firearm components, this dovetail slot blank provides a clean, true-slot surface that accommodates a variety of aftermarket sighting options while preserving the rifles original profile. Engineered for universal rifles, it integrates smoothly with standard dovetail dimensions to deliver secure alignment and repeatable performance, making it an ideal choice for gunsmithing projects, field upgrades, or rebuilds where a squared, blemish-free mounting face is essential. The parts compatibility and robust construction support long-term durability under routine hunting, training, and range days, allowing shooters to reestablish a dependable sight line without sacrificing accuracy. Whether restoring an older model or equipping a modern platform, Marble Arms RIFLE NO. 87 DOVETAIL SLOT BLANK delivers a clean, professional base that enhances precision and simplifies future upgrades while maintaining a discreet, low-profile presence on any rifle.