If you've invested in a Weatherby Vanguard or a Howa 1500 rifle, then it's necessary to get the most from your rifle with the Nightforce Howa 1500 Long Action Standard Duty bases. These 1-piece bases are designed as a ready-made and inexpensive solution for those looking to securely mate their rifle's receiver to their optic of choice. These aluminum bases feature Picatinny-spec attachment rails and can be had in either 0 MOA or 20 MOA setups. Mfg: Nightforce