Filling a PCP Airgun from a Scuba Tank

Pre-charged pneumatic (PCP) airguns deliver power and precision for keen shooters. Filling your PCP airgun from a scuba tank is a convenient method, but it’s vital to use the right fittings and to exercise care. This guide from Pyramyd AIR walks you through the required gear and exact steps to safely refuel your PCP air rifle from a scuba tank.

Gear Needed: Scuba Tank and Valve Fittings

• A filled scuba tank (properly rated and inspected)
• PCP fill adapter or hose compatible with your scuba tank’s valve (e.g., DIN valve hose if your tank uses a DIN fitting)
• Your PCP airgun

How to Fill Your PCP Airgun

1. Attach the fill adapter or hose to the scuba tank, ensuring it matches the tank’s valve type (DIN or yoke).
2. Connect the other end of the hose to your PCP airgun’s fill port securely.
3. Confirm your airgun’s pressure gauge is visible; you’ll monitor pressure here, not on the scuba tank.
4. Open the scuba tank valve slowly, watching the pressure gauge on your airgun as it fills. Do not exceed your airgun’s safe fill pressure.
5. Once full, close the tank valve and bleed any residual pressure from the hose using the bleed screw. Disconnect carefully.

Safety and Best Practices

• Never exceed the recommended fill pressure marked on your PCP airgun.
• Always inspect hoses, valves, and O-rings for wear before use.
• Fill slowly to prevent heat buildup and gauge inaccuracies.

Summary: Quick, Safe, and Adventure-Ready

Filling your PCP airgun from a scuba tank with the right hose makes refueling efficient and safe—just monitor pressure on your rifle’s gauge and go slow. Following these pro tips from Pyramyd AIR ensures you’re prepped for more precision, confidence, and air-powered adventure in the great outdoors.