Features:Proudly Designed and Made in USAPrecision Machined from Aircraft Grade Aluminum with Matte Back Hard Coat Anodize6.1 in. Extended Length with 14 Picatinny Rail Slots for Dot Sights, Rear Sights, and Flexible Positioning of Magnified Optics for Proper Eye Relief AdjustmentLow Profile with See Thru Design for Use of Front Bead SightContoured Bottom Perfectly Fits Remington 870/1100 with Drilled and Tapped ReceiverIncludes Assembly Screws and Tools for Simple and Friendly Installation, No Gunsmith Required