Nerf Modulus Stealth Ops Upgrade Kit NOTE: This version comes in simple brown packaging Stealth Ops Upgrade Kit lets you upgrade your Modulus blaster (sold separately) 3 accessories for covert operations Red Dot sight and Proximity Barrel make your targeting more precise Thousands of combinations with the Modulus system (other kits, accessories and blasters sold separately) Includes Red Dot sight, Proximity Barrel, Pivot Grip and instructions.