Unicorn Airsoft 6.03mm GBB Nitroflon Coated Brass Inner Barrel for Umarex / VFC MP7A1 GBB (150mm) Net-Weight-(g)_620.0 Clear Anodizing can have unpredictable

Clear Anodizing can have unpredictable result

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Unicorn Airsoft 6.03mm GBB Nitroflon Coated Brass Inner Barrel for Umarex / VFC MP7A1 GBB (150mm) Net-Weight-(g)_620.0 Clear Anodizing can have unpredictableUnicorn Airsoft 6. 03mm GBB Nitroflon Coated Brass Inner Barrel for Umarex VFC MP7A1 GBB (150mm) Metal Construction (Nitroflon Coating) High grade precision barrel at 6. 03mm diameter for extra power and precision shooting Suitable For Umarex VFC MP7A1 Gas Blow Back GBB Pistol Airsoft Guns For custom upgrade user, you can choose a longer barrel Length: 150mm