50 rounds per box, 20 boxes per case. Federal HST 45 Auto 230 grain Hollow point standard pressure ammo for sale, SKU # P45HST2. This is one of Federals best law enforcement ammunition loads and ideal for personal protection, concealed carry, home defense, or security applications. This ammo features the popular "Hi-SHOK Two" (HST) bullet which is considered by many tactical handgun shooters to be the best hollow point ammo made today. Federal HST Ammunition offers reliable and consistent expansion and deep penetration for maximum terminal performance. HST features specially designed hollow-point tip won't plug while passing through a variety of barriers and the bullet holds its jacket in the toughest conditions. The HST projectile is designed to provide 100% weight retention through most barriers while maintaining impressive expansion. At SGAmmo.com we have been selling Federal HST in all calibers and types as available to us, but supplies have been limited in the wholesale market so do not miss out on what HST ammo is in-stock today.