It seems like the Rival series blasters are the ones to build mods for, because here’s another capacity mod, this time courtesy of special effects designer and former co-host of Mythbusters Adam Savage. Within a single day, Adam not only creates a slick-looking, if bulky, 1000-shot magazine/hopper, but also installs a bipod and an offset electronic optic. It’s honestly like a NERF Bren, turned up to 11.

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