1.Eliminating the need for disposable CO2 cartridges, while still being interchangeable with disposable CO2 cartridges, it delivers a longer, more powerful, and more consistent shooting experience between refills.

2.Item is a remote line adapter for airsoft, BB's.Use in conjunction with a paintball remote line with standard quick disconnect fittings and a CO2 or HPA tank. (recommended use up to 1000 psi)

3.Fits most airsoft and BB gun CO2 pistols.(Compatible with over 100 guns)

4.Shoot thousands of rounds before refilling.

5.Easy drop-in installation.

6.Overall cost savings.

7.More consistent FPS.

8.Longer play.

9.Threaded type: S-TW thread and RG thread.

10.Supplied with spare O-rings.