Hornady 410 Gauge Critical Defense Slugs – Unique to the Critical Defense 410, the 41 caliber FTX slug actually engages the gun’s rifling, and contacts the target nose-on, enabling the patented Hornady Flex Tip technology to assist in expansion for greatly enhanced terminal performance. Each 35 caliber round ball is made of high antimony, cold swaged lead to resist deformation and provide excellent penetration. The 410 Critical Defense is loaded to 750 fps at the muzzle with 294 ft lbs of energy. 410 Gauge/Bore2-1/2 inch Shell LengthTriple Defense Projectile ColumnUnique 41 Caliber FTX SlugTwo 35 Caliber High Antimony Lead Round BallsFlex Tip Technology Assisted Expanding Slug750 fps Muzzle Velocity294 ft lbs Muzzle EnergyBox of 20
