HSM Ammunition Varmint .22-250 Remington 55 Grain Soft Point Brass Cased Rifle Ammo 20 Rounds. The little blue thrill-always ready when you are. Varmint Blue is the latest. Specifications for HSM Ammunition Varmint .22-250 Remington 55 Grain Soft Point Brass Cased Rifle Ammunition: Manufacturer: HSM Ammunition Caliber: .22-250 Remington Number of Rounds: 20 Bullet Type: Soft Point (SP) Bullet Weight: 55 grain Cartridge Case Material: Brass Muzzle Velocity: 3590 ft/s Primer Style: Centerfire HSM Ammunition 222504N: Varmint .22-250 Remington 55 Grain Brass Cased Rifle Ammo 20 Rounds