Sako Powerhead Blade 300 Winchester Magnum 170 Grain Brass Cased Rifle Ammo 20 Rounds. One of the challenges in development of the bullet with alternative materials has been the inadequate performance either situations: not expanding for small game/long range impacts or fragmenting down on close situation/bone hits. With its Blade Tip 100percent pure ductile copper and 5-Stage terminal architecture SAKO Powerhead Blade Ammunition offers excellent performance on different shooting ranges and various sizes of game. This ammunition is new production non-corrosive in boxer-primed reloadable brass cases. Specifications for Sako Powerhead Blade 300 Winchester Magnum 170 Grain Brass Cased Rifle Ammunition: Manufacturer: Sako Caliber: .300 Winchester Magnum Number of Rounds: 20 Bullet Type: Hollow Point (HP) Bullet Weight: 170 grain Cartridge Case Material: Brass Application: Hunting Package Type: Box Included Accessories: None Primer Style: Centerfire Application: Target Package Contents: Sako Powerhead Blade 300 Winchester Magnum 170 Grain Brass Cased Rifle Ammunition What is Sako Powerhead Blade 300 Winchester Magnum 170 Grain Brass Cased Rifle Ammunition good for? The manufacturer suggests that it is best for hunting.Sako JAS-PHB300WM/170B: Powerhead Blade 300 Winchester Magnum 170 Grain Brass Cased Rifle Ammo 20 Rounds