Completely uniform in size, weight, and roundness, Hornady Round Balls deliver consistent and accurate performance. TheyÕre cold swaged from pure lead which eliminates air pockets and voids common to cast balls. And the smoother, rounder surface assures better rotation and consistency. ACCURATE Precision swaged to eliminate air pockets and deliver optimal accuracy. TRADITIONAL Pure lead replicates traditional design. CONSISTENT Uniform in size, weight and concentricity. IMPORTANT: Before choosing a round ball diameter, check the bore size of your firearm and take into consideration whether you're using compression fit or patched projectile loading.