Steel Airsoft Barrel Nut Wrench for M4 / M16
A multifunctional key for the delta rings, made from a single piece of steel. Compatible with Following conversion kits_ DD Lite / RIS M4A1 II / MK18 / Omega X Series / PWS Diablo Rail / MK110 / MK112 / MK114 / MK116 Barrel Nuts.
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