BCI G&P Stoner 63 M249 Box Magazine Adapter

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Our latest addition to our growing family of G&P Stoner 63 parts, our 249 box mag adapter.

This simple addition will drastically change the look and feel of the Stoner 63, not only by reducing the weight but by eliminating the existing box mag cage and allowing you to run a plethora of 249 box mags that already exist on the market.

This will give you an added layer of personalization and the ability to run higher quality box mags that have more robust internals and are capable of feeding at increased rates of fire.

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