Is simply the best performing airgun pellet of its type, it is designed to give consistent results in all std powered air rifles, both PCP and Springers.
Every tin is pre treated with exactly the correct dose of Napier Power Pellet Lube, and they can be used straight from the tin.
No need to sort or grade them, we have already done that for you.
Expect improved accuracy, and consistency, it is likely that an increase in muzzle velocity will also be achieved.