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Grayboe is a U.S. manufacturer of molded composite rifle stocks, producing rigid, drop-in stocks for bolt-action rifles with a focus on long-range hunting, precision shooting, and practical field use.


Grayboe builds fiberglass-based composite rifle stocks designed to deliver consistency, durability, and proper ergonomics without the cost or wait times of hand-laid custom stocks. Founded by Ryan McMillan, the company applies high-volume molded manufacturing to produce stocks with stable inletting, repeatable dimensions, and temperature resistance; key factors for accuracy at distance. Grayboe stocks are commonly used for long-range hunting rigs, PRS-style precision rifles, and duty-oriented builds where reliability matters more than cosmetic customization. Their designs emphasize vertical grips, adjustable combs, modern forends, and practical mounting options, making them well-suited for shooters who want performance-focused stocks that install easily and hold zero across changing conditions.
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