Madbull Airsoft Barrel Nut Wrench (PWS Diablo rail / MK110 / MK112 / MK114 / MK116)

Madbull Airsoft Barrel Nut Wrench Fuly licensed by PWS Steel Construction Designed to be used with PWS (Primary Weapon Systems) barrel nuts and rails (To be used with but not limited to the Diablo, Mk110, Mk112, MK114, MK116 and other PWS rail systems) Properly install, seat, and mount your delta ring withe the MadBull PWS wrench