Customize your Nerf Modulus blaster (sold separately)

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Part of the Nerf Modulus system

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Dual-rail barrel has 2 tactical rails

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Attaches to and extends the blaster barrel

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Includes dual-rail barrel and instructions.

nBoys can upgrade and customize their Nerf Modulus blaster with this dual-rail barrel! The Nerf Modulus system lets boys build their own blaster for each mission or battle. With the full Nerf Modulus system, over 1000 different combinations are possible! Blaster and upgrade kits each sold separately. Nerf and all related properties are trademarks of Hasbro.