Airsoft Filling Adapter Propane Green Gas connector Tank with Silicone Oil Port

Airsoft Propane Filling Adapter for Green Gas with Silicone O il Port. -- For Airsoft use ONLY. Do NOT use WD-40 as a substitute for silicone. 1 x Airsoft Propane Adapter. -- Mixed propane with silicone oil: Only when you press the stem, the silicon oil will go out with propane and go inside to your GBB magazine.

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