Yankee Hill YHM-9473 | 6″ Picatinny Rail Riser

The Yankee Hill Machine YHM-9473 is a Picatinny rail extension and scope riser designed to add mounting surface and elevation to compatible rails. It raises the mounting surface approximately 1/2″ and provides additional attachment length for optics and other Picatinny-style accessories. Constructed from aircraft-grade aluminum and finished with a hardcoat anodize to military specifications, it is intended for use on modern sporting rifles and other platforms fitted with Picatinny rails.

Common applications include mounting optics for precision/target shooting and creating clearance for magnifiers or backup sights on AR-style platforms.

Product Specifications

• The manufacturer is Yankee Hill Machine.
• The model/part number is YHM-9473.
• The UPC is 816701014372.
• The product is listed as a Picatinny rail extension / scope riser.
• The fit is specified as Picatinny.
• The material is aluminum.
• The advertised finish is hardcoat anodized matte black to Mil-Spec.
• The listed size/finish is 6" long (marketing / listed size).
• A source attribute records a length/dimension of 8.5000, which may reflect packaging or a different measurement.
• The dimensional listing shows 0.90 x 3.25 x 8.50.
• The width is recorded as 3.2500.
• The height is recorded as 0.9000.
• The product type is listed as Rail.
• The item is indicated as an AR-15 accessory.

This extension provides a stable, raised mounting platform for optics and accessories where extra height or rail length is needed. Its aircraft-grade aluminum construction and Mil-Spec hardcoat finish make it suitable for repeated use on modern sporting platforms where consistent alignment and corrosion resistance are desired.