Providing maximum eye relief through versatile ring placement, Leupold's Backcountry Cross-Slot Kimber 84L Rifle Base is at the top of the list for ease-of-use. The Leupold Backcountry Cross-Slot Kimber 84L Rifle Base is manufactured from the toughest, yet lightest, 7075-T6 aluminum. Style: Picatinny Color: Matte black Available in 0 MOA or 20 MOA elevation The Backcountry Cross-Slot Kimber 84L Rifle Base is backed by the Leupold name so you know it's a top-quality product. Mfg: Leupold