Varmint Rifle Features HSM Varmint loads feature the same degree of engineering and reliability of HSM Match ammo. 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. Varmint Rifle Specifications Brand: HSM Model: Varmint Rifle Caliber: .243 Win Material: Brass Bullet Weight: 75-GR Bullet Type: V-Max Muzzle Velocity: 3300 fps