- For new AT44 and BullBoss series air rifles with (H) icon on gauge cover
- Detachable air cylinder easily screws into Hatsan BullBoss and AT44 H Class air rifles
- Maximum fill pressure 200 bar (3000 psi)
- Option of refilling the air tube while on the rifle or detached
- 180cc (AT44) or 230cc (AT44Long and BullBoss)
Please be sure to select the correct length to match your rifle.