HSM Ammunition Game King .25-06 Remington 100 Grain Spitzer Boat Tail Brass Cased Rifle Ammo 20 Rounds. Now HSM has developed an entire lineup of fine hunting ammunition featuring the time-honored Sierra GameKing/Pro-Hunter bullets. Each caliber's individual components have been precisely matched to each GameKing/Pro-Hunter bullet to maximize their potential for accuracy and performance. Specifications for HSM Ammunition Game King .25-06 Remington 100 Grain Spitzer Boat Tail Brass Cased Rifle Ammunition: Manufacturer: HSM Ammunition Caliber: .25-06 Remington Number of Rounds: 20 Bullet Type: Spitzer Boat Tail (SBT) Bullet Weight: 100 grain Cartridge Case Material: Brass Muzzle Velocity: 3250 ft/s Application: Hunting Primer Style: Centerfire What is HSM Ammunition Game King .25-06 Remington 100 Grain Spitzer Boat Tail Brass Cased Rifle Ammunition good for? The manufacturer thinks that it is good for hunting.HSM Ammunition 25061N: Game King .25-06 Remington 100 Grain Brass Cased Rifle Ammo 20 Rounds