Blaster Mod 16KG Spring Upgrade for Nerf Rival Pilot XXIII-100 Blaster Darts Toy Stryfe 171 UMP9 Shoulder Stock

171 UMP9 Shoulder Stock

Color: Rose Red

and compatible with less power spring load springer blaster

(with Plunger Rod Plus Spring Plug Kits)

Blaster Mod 16KG Spring Upgrade for Nerf Rival Pilot XXIII-100 Blaster Darts Toy Stryfe 171 UMP9 Shoulder StockDESCRIPTION 1. Upgrade Spring design for Blasters. It can improve shooting range and perforance. 2. This Upgrade Spring is only for Blaster toy,All parts are separate,and the product included small parts, you need to install and assemble your blaster,Please be careful installing the parts to avoid damage to your Blaster! 3. In order to ensure safety, please wear goggles when you use and modify the blaster. 4. Suitable for people over 14 years old,