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Mossberg Shotgun Magazine Extensions - Increase your 12ga or 20ga shotgun fire power with a shotgun magazine extension kit. The threaded tube replaces your magazine cap and gives you the ability to add extra rounds to your magazine. These extensions are great for home protection, personal protection, law enforcement, and competition shooters. Reduce your time to reload and spend more time shooting. Find the shotgun magazine extension you need at The Country Shed.

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