HSM Ammunition Game King .30-06 Springfield 150 Grain Sierra Gameking Brass Cased Centerfire Rifle Ammo 20 Rounds. This ammunition is non-corrosive in boxer-primed reloadable brass cases. Specifications for HSM Ammunition Game King .30-06 Springfield 150 Grain Sierra Gameking Brass Cased Centerfire Rifle Ammunition: Manufacturer: HSM Ammunition Caliber: .30-06 Springfield Number of Rounds: 20 Bullet Type: Spitzer Boat Tail (SBT) Bullet Weight: 150 grain Cartridge Case Material: Brass Application: Hunting Package Type: Box Primer Style: Centerfire Features of HSM Ammunition Game King .30-06 Springfield 150 Grain Sierra Gameking Brass Cased Centerfire Rifle Ammunition: Jacketed soft-point bullet Reloadable non-corrosive boxer primed Designed for hunting use Package Contents: HSM Ammunition Game King .30-06 Springfield 150 Grain Sierra Gameking Brass Cased Centerfire Rifle Ammunition What is HSM Ammunition Game King .30-06 Springfield 150 Grain Sierra Gameking Brass Cased Centerfire Rifle Ammunition good for? The manufacturer says that it is best for hunting.HSM Ammunition HSM-30-06-39-N: Game King .30-06 Springfield 150 Grain Sierra Gameking Brass Cased Centerfire Rifle Ammo 20 Rounds