Winchester 209 Primers For Sale. Winchester 209 Primers are a brand of shotgun primer manufactured by the Winchester company. The 209 primer is designed for use in shotgun shells, and is known for its consistent ignition and hot spark. Winchester 209 Primers are specifically designed to work with black powder and modern smokeless powder loads, and are used in single-shot shotguns, as well as in-line muzzleloaders. Winchester 209 Primers For Sale. One of the benefits of the Winchester 209 primer is its large sweet spot, which allows for a more forgiving ignition compared to smaller primers. Winchester 209 Primers are available in large quantities and are widely used among hunters and competitive shooters. Overall, the Winchester 209 primer is a reliable and trusted choice for those looking for a high-quality shotgun primer.