I am sorry if this is often a tad off subject, but it is for Tom. at his petition: Most of these kind of magazines aren’t categorised in respect to their capacity (in a few circumstances up to 400 rounds), but by the reality that they are the conventional unmodified magazines traditionally listed with the weapon alone. They are generally charged by inserting pellets down a shaft, compressing a spring kept within which will subsequently feed the pellets straight into the gun. I hope this helps you out.———————You’re welcone, Lajuana Kallestad