Hornady Ammo 416 RIGBY 400 GR DGX® BONDEDFrom the InterLock® SP-RP bullets to the heavy-hitting DGS® and DGX® bullets, each Dangerous Game™ Series load is topped with a deadly projectile.DGX® Bonded bullets are built to the same profile as the corresponding DGS® (Dangerous Game™ Solid) bullets but expand to 13/4 to 2 times their bullet diameter. They feature a copper-clad steel jacket bonded to a lead core to provide limited, controlled expansion with deep penetration and high weight retention. Bonding the jacket to the core prevents separation from high-energy impact on tough material like bone, ensuring the bullet stays together for deep expansion.Powders are carefully matched to each load to ensure optimum pressure and velocity, and to regulate in double rifles. Some of our Dangerous Game™ Series loads feature Superformance® propellant technology.Like all Hornady® ammunition, our Dangerous Game™ ammunition uses the highest quality cases and primers available. Consistent components translate to consistent shooting in the field.