Corbon Ammo Performance Match, Subsonic, 338 Lapua, 300 Grain, Boat Tail Hollow Point, 20 Round Box PM338S300 If one shot is all you have, then COR(R)BON's Performance Match(R) is the obvious answer. Manufactured to exacting tolerances, Performance Match will give you the upper hand in accuracy dependent strategic applications. target shooters, as well as competitors will get the best bang for their buck.