Dark Storm Industries DS-15 Barrel Nut/Delta Ring Kit 5.56mm DSI-BRL-DLKN5. This kit is recommended for mid and heavy barrels with tightened down precision MOA settings. If you need a replacement consider picking up a new set. The barrel nut/delta...
Dark Storm Industries DS-15 Barrel Nut/Delta Ring Kit 5.56mm DSI-BRL-DLKN5. This kit is recommended for mid and heavy barrels with tightened down precision MOA settings. If you need a replacement consider picking up a new set. The barrel nut/delta...