Daniel Defense AR15 Lite/RIS II Wrench
The Bolt-Up System Barrel Nut Wrench is a proprietary spanner wrench required to install the Daniel Defense Bolt Up System Barrel Nut. This wrench is designed to be used with a 1⁄2 Drive Torque Wrench
The Bolt Up System Barrel Nut Wrench is used on the following rails:
- MFR XL
- MFR Rail
- SLiM Rail
- DDM4 Rail
- AR15 Lite Rail
- AR15 Lite Rail II
- AR15 Lite Rail III
- Rail Interface System II (RISII)