Mad Bull M381 18 Rounds BB Shower MK28 Upgrade 5" Black The NSR was

5" Black The NSR was designed with the goal of being the lightest and smallest free floating forend option to the M16 family of weapons

and Accessories For airsoft use

Automatic Safety

and the design and construction allow for the attachment of Picatinny Rail Sections at standard 90 degree or offset angles

Mad Bull M381 18 Rounds BB Shower MK28 Upgrade 5" Black The NSR wasDescription: Appearance based on real model: Story of M381 EXTREME POWERFUL 18 Shots Toy B. B. Shower Caliber: 6mm B. B. Power: Green Red Gas Materials: Steel Aluminum Other details: 40mm, Suitable for most B. B. Launcher Features: (1) Highly engineering. Design based on real models (real size and real shape.) (2) Easy to reset after each shot. (3) Use expensive and high quality O ring to enhance product life. (4) Use the proper spring (scientifically