HSM Ammunition Varmint .17 Remington Fireball 20 Grian Hornady V-MAX Brass Cased Centerfire Rifle Ammo 50 Rounds. These highly-accurate rounds come in a variety of calibers for all various types of varmints. This ammunition is non-corrosive reloadable brass cased and boxer primed. Specifications for HSM Ammunition Varmint .17 Remington Fireball 20 Grian Hornady V-MAX Brass Cased Centerfire Rifle Ammunition: Manufacturer: HSM Ammunition Caliber: .17 Remington Fireball Number of Rounds: 50 Bullet Type: Polymer Tipped Boat Tail (PTBT) Bullet Weight: 20 grain Cartridge Case Material: Brass Application: Hunting Package Type: Box Included Accessories: None Primer Style: Centerfire Features of HSM Ammunition Varmint .17 Remington Fireball 20 Grian Hornady V-MAX Brass Cased Centerfire Rifle Ammunition: V-Max bullet Muzzle Velocity: 4000 fps Muzzle Energy: 711 ft. lbs. Designed for varmint hunting Package Contents: HSM Ammunition Varmint .17 Remington Fireball 20 Grian Hornady V-MAX Brass Cased Centerfire Rifle Ammunition What is HSM Ammunition Varmint .17 Remington Fireball 20 Grian Hornady V-MAX Brass Cased Centerfire Rifle Ammunition good for? The manufacturer suggests that it is good for hunting.HSM Ammunition HSM-17FB-1-N: Varmint .17 Remington Fireball 20 Grian Hornady V-MAX Brass Cased Centerfire Rifle Ammo 50 Rounds