Built using the same materials and filled with the same chemical irritant formulations asByrnas .68-caliber round ball projectiles, the 61-caliber fin-tail projectile used in Byrnas12-gauge round nonetheless has greater stopping power due to its larger payload, greater velocity, improved aerodynamics and enhanced accuracy. No one wants to take a life if they can avoid doing so. Byrnas 12-gauge rounds give owners the ability to defend themselves and their families without the need to employ lethal force, and without the need to purchase a new weapons platform or modify their existing.