Norma .300 Remington Ultra Mag Unprimed Brass 50 Count Shooter Pack

300 Rem Ultra Mag Unprimed Rifle Brass 50 Count Shooter Pack by Norma-USA Product Overview offers 300 Rem Ultra Mag Unprimed Rifle Brass 50 Count Shooter Pack. 300 Rem Ultra Mag Unprimed Rifle Brass has very tight tolerances and and is made from the best possible materials. 300 Rem Ultra Mag Unprimed Rifle Brass has the case neck annealed which softens the brass providing a better seal on the bullet and a longer life. Annealing stops below the neck and the rest of the brass increases in hardness down to the bottom. Summary300 Rem Ultra Mag Unprimed Rifle Brass is available from . 300 Rem Ultra Mag Unprimed Rifle Brass is factory annealed at the correct temperature to ensure malleable necks for good seals and less cracking. The annealing is done correctly so that the bottom of the casing is hard and strong to reduce the chance of cracking at that end as well. Specifications and Features: Annealed neckTight tolerances </ul