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The Triple Barrel Grapnel is a Mattel blaster that was released in 2012 to promote the film The Dark Knight Rises.

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The Triple Barrel Grapnel is a direct-prime-action blaster with a three-barrel muzzle. When fully loaded, it fires all three darts at once. If it is not fully loaded, it is able to sense which barrels are loaded, and will only fire from those that are.

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