HSM Ammunition Varmint .243 Winchester Super Short Magnum 75 Grain Hornady V-MAX Brass Cased Centerfire Rifle Ammo 20 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 .243 Winchester Super Short Magnum 75 Grain Hornady V-MAX Brass Cased Centerfire Rifle Ammunition: Manufacturer: HSM Ammunition Caliber: .243 Winchester Super Short Magnum Number of Rounds: 20 Bullet Type: Polymer Tipped Boat Tail (PTBT) Bullet Weight: 75 grain Cartridge Case Material: Brass Application: Hunting Package Type: Box Included Accessories: None Primer Style: Centerfire Features of HSM Ammunition Varmint .243 Winchester Super Short Magnum 75 Grain Hornady V-MAX Brass Cased Centerfire Rifle Ammunition: V-Max bullet Muzzle Velocity: 3550 fps Muzzle Energy: 2099 ft. lbs. Designed for varmint hunting Package Contents: HSM Ammunition Varmint .243 Winchester Super Short Magnum 75 Grain Hornady V-MAX Brass Cased Centerfire Rifle Ammunition What is HSM Ammunition Varmint .243 Winchester Super Short Magnum 75 Grain Hornady V-MAX Brass Cased Centerfire Rifle Ammunition good for? The manufacturer thinks that it is suitable for hunting.HSM Ammunition HSM-243WSSM-1-N: Varmint .243 Winchester Super Short Magnum 75 Grain Hornady V-MAX Brass Cased Centerfire Rifle Ammo 20 Rounds