Holosun Technologies, ARO, Red Dot, 2 MOA Dot, Fits 1913 Picatinny Rail, 1.63"SKU: 810047073598Holosun Technologies, ARO, Red Dot, 2 MOA Dot, Fits 1913 Picatinny Rail, 1.63" Lower 1/3 Co-Witness Mount, Black$179.99PriceQuantity*Add to CartBuy Now