Hornady Superformance .308 Winchester 180 Grain SST Brass Cased Rifle Ammunition 20 Rounds. Specifications for Hornady Superformance .308 Winchester 180 Grain SST Brass Cased Rifle Ammunition: Manufacturer: Hornady Caliber: .308 Winchester Number of Rounds: 20 Bullet Type: Super Shock Tip (SST) Bullet Weight: 180 grain Cartridge Case Material: Brass Features of Hornady Superformance .308 Winchester 180 Grain SST Brass Cased Rifle Ammunition Proven Hornady Bullets: Superformance ammunition is loaded with Hornady V-MAX NTX SST CX and InterLock bullets for the ultimate in performance no matter what the game. Progressive Hornady Powders: Superformance Propellants are the heart of Superformance ammunition and usher in a new era of performance. Case and Primer: Like all Hornady ammunition our Superformance rounds use the highest quality cases and primers available. Consistent components translate to consistent shooting in the field. Package Contents: Hornady Superformance .308 Winchester 180 Grain SST Brass Cased Rifle Ammunition Hornady 80772: Superformance .308 Winchester 180 Grain SST Brass Cased Rifle Ammunition 20 Rounds