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Peterson Cartridge is a U.S. manufacturer focused exclusively on match-grade rifle brass, producing highly consistent cartridge cases engineered to support precision, long-range, and ELR shooting performance.


Peterson Cartridge manufactures premium brass rifle cases with a singular focus on consistency and dimensional control for long-range shooters. Unlike diversified ammunition companies, Peterson dedicates its entire operation to brass production, using modern tooling, multi-stage forming, and tight inspection processes to reduce case-to-case variation. Their brass is typically used by precision reloaders, custom rifle builders, and competitive shooters who treat cartridge cases as a primary source of accuracy rather than a consumable. Consistent wall thickness, case capacity, and metallurgy help support low velocity spreads and predictable vertical at distance. Peterson’s product line aligns closely with modern long-range and ELR cartridges used in PRS, NRL, and extended-range hunting.
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