A great performing 99% copper bullet retains up to 100% of its weight. The valve at the tip of bullet opens immediately on impact, leading the bullet to expand symmetrically and without shattering. This high tech bullet design gives a maximal shock effect and it works perfectly within terminal velocities of 1650fps - 3300fps. The Naturalis is extremely effective, giving a clean shot and minimising meat loss. Unique Lapua technology.