OSOK, Inc. is a family-owned and operated business located in Grass Valley, CA, with deep-rooted connections to the military and shooting community. With a history dating back to 1984, when it started as a hobby, OSOK has evolved into a full-fledged shop with four product assembly lines. Despite their growth, every round of ammunition is meticulously inspected and tested by the founding family members, ensuring a quality product and exceptional customer service.
With family members who have served in the U.S. Army Special Forces, U.S. Air Force Intelligence, and the NSA, OSOK takes great pride in their commitment to serving their country. Today, they continue to serve by offering a range of superior ammunition products, backed by their dedication to quality and customer satisfaction.
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