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  1. Sierra Defense® 20-Rd Drum Magazine | Patented System for MKA1919 & AR-Style 12GA Platforms

    Sierra Defense® 20-Rd Drum Magazine | Patented System for MKA1919 & AR-Style 12GA Platforms

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  2. Less reloading. More shooting.🔁 Compatible with AR-12 & 1919-style shotguns—ready whenever you are.

    Less reloading. More shooting.🔁 Compatible with AR-12 & 1919-style shotguns—ready whenever you are.

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