S&J Magazine Extensions are extensively field tested and meet or exceed law enforcement and military requirements.
This extremely durable, high quality, solid steel S&J Hardware Magazine Extensions come with everything you need to upgrade your shotgun to the next level.
S&J Hardware Magazine Extensions are CNC milled from pure steel, Just like your gun. Don't settle for aluminum.
*M4 Extensions do not come with a sling plate. **SXP and M4 Extensions do not come with spring replacement. ***M4 Extensions do not come with a follower.
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