Daniel Defense AR-15 Bolt-Up System Barrel Nut Wrench Proprietary Spanner required to install DD-2140
AR-15 Bolt-Up System Barrel Nut Wrench Proprietary Spanner wrench required to install Daniel Defense's AR15 Lite Rail, Omega X and RIS II Rail Systems - Designed to be used with a 1/2 Drive Torque Wre...