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Starline Brass is a family-owned manufacturer specializing in high-quality brass cartridge cases, with all production taking place at its state-of-the-art facility in Sedalia, Missouri. Established in 1976, Starline Brass has over 45 years of experience and is recognized for its focus on quality rather than quantity, producing more than 80 different cartridge cases for handgun, rifle, and specialty applications. The company uses 260 alloy brass—composed of 70% copper and 30% zinc—sourced to industry standards, and employs a vertically drawn manufacturing process that minimizes wall thickness variation. Each case undergoes multiple annealing steps and is inspected at least ten times throughout production, including both hand and mechanical inspections, to ensure uniform primer pockets, burr-free flash holes, and precise dimensional tolerances. Starline Brass maintains most of its tooling in-house, allowing for rapid adaptation to different calibers and consistent product quality. The brand is widely respected among reloaders and ammunition manufacturers for its durability, reliability, and consistent performance across a broad range of calibers, including popular options like.38 Special,.45 ACP, and 10mm.
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