6mm Norma BR Unprimed Brass 100 Count Shooter Pack by Norma-USA Product Overview offers 6mm Norma BR Unprimed Brass 100 Count Shooter Pack. 6mm Norma BR Unprimed Rifle Brass has very tight tolerances and and is made from the best possible materials. All Norma 6mm Norma BR 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. Summary Norma 6mm Norma BR 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. The concentric cases will ensure top notch ammunition. Specifications and Features: Factory Annealed neck Tight Tolerances Reduced Cracking at Neck 100 Piece Bulk Economy Pack
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