A projectile weighing 405 grains is a substantial round typically used in large-caliber firearms. This weight, a unit of measurement traditionally used for gunpowder and bullets, signifies a heavier projectile compared to those used in many common calibers. Such a heavy projectile often delivers significant energy downrange, making it suitable for specific hunting or long-range shooting applications. Ammunition of this weight is often associated with historical firearms and cartridges known for their power.
The increased mass contributes to greater momentum and retained energy at longer distances. This characteristic can be advantageous for taking down large game or achieving consistent performance in challenging environmental conditions. Historically, projectiles of this weight were favored in the late 19th and early 20th centuries for hunting large, dangerous game in Africa and North America. Their use continues today amongst enthusiasts who appreciate the historical significance and performance capabilities of these cartridges.