1. Propane filling adapter. Store silicone oil and lube your GBB with refill propane..
2. Non-leaking design: the silicone oil will mix up with the propane while not use. The silicone oil will not leak out from stem..
3. Mixed propane with silicone oil: only when you press the stem, the silicone oil will go out with propane and go inside to your GBB magazine..
4. Use with any standard camping style propane gas tank..
5. Aluminium material. Easy to use. Durable in use..
Imported from UK
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