Sig SSG 3000 Magazine Extensions Turn a 5 Round Mag into 7 Round Capacity




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We’ve developed an extension for your factory Sig SSG magazine that will expand your capacity to 7 rounds along with making mag changes easier and faster. You can purchase the magazine and extension together, or just the extension which is easily installed by the end user. This system will use the existing spring and follower.



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Instructions for changing out the magazine extension:

Squeeze the mag tightly in the center just above the base plate, press the flat rear edge down against a firm surface and the base will release.

Remove the OEM base plate. You will use your spring and follower with the new extension.

With the spring and follower held in place, press the mag body into the new extension aligning the keys with the round end starting first.

Seat the new extension by pressing the round edge down against a firm surface.


You’re done!

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