HPA Tank Size Number of Shots Estimator

HPA Tank Shots Estimator — Simple & Realistic

Enter tank size and pick your engine. Efficiency and tuning let you match your real-world setup.

Estimated shots: —
Mags (30): —   •   Mags (120): —   •   Mags (240): —
Calculation uses a small regulator dropout (300 psi). Change MIN_USABLE_PSI in the script if your regulator drops out higher.