HSM Ammunition Starline Pistol Brass Unprimed Cases 327 Federal Mag Caliber Handgun Brass 100 Per Bag. It was designed as a personal defense cartridge. It has light recoil making it easy to handle due to firing light weight bullets at high velocities. The 327 also has potential as a small game cartridge. Specifications for Starline Brass Unprimed Cases 327 Federal Mag Handgun: Manufacturer: HSM Ammunition Gun Type: Pistol Caliber: .327 Federal Magnum Primed: No Quantity: 100 Per Bag Fabric/Material: Brass Package Contents: Starline Brass Unprimed Cases 327 Federal Mag Handgun