Spare parts for GHK AUG GBBR
－Airtight o-ring, grey color.
－O-ring size (I.D.x W)：15.8x2.4 mm
－This item is the same as the part #GKM-08-4, #553-15-4
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Spare parts for GHK AUG GBBR
－Airtight o-ring, grey color.
－O-ring size (I.D.x W)：15.8x2.4 mm
－This item is the same as the part #GKM-08-4, #553-15-4