The Leupold 56928 Standard Style Black Matte 2-Piece Base for Kimber 8400 Rifles is designed to securely mount your riflescope to Kimber 8400 rifles and features forged and machined steel construction for long-lasting performance. Long Range STD⢠technology provides a 15-MOA slope for elevation compensation, while the rear ring is secured by windage adjustment screws for precision. Matte finish. Leupold 56928 Standard Style Black Matte 2-Piece Base for Kimber 8400 Rifles - Scope Rngs And Rifle Accessories at Academy Sports