1. Charge rifle with air to optimum fill pressure, plus 15bar.
2. Allow cooling for 20 minutes.
3. Top up to optimum fill pressure.
4. Establish an average weight of pellet weight from a random selection of 30 pellets.
5. Shoot a minimum of 20 pellets, recording the velocity and kinetic energy at a distance of no more than
50cm from the muzzle.
This should be done with a light, medium and heavy pellet.