GSI Expert HOP Wingless GBB Hop-Up Rubber Style:Gold (Soft) • Holds empty magazines

• Holds empty magazines

DMR: 18 Inch Barrel (recommended inner barrel: 500mm)

XT Base unit

such as the MP5/10 and MP5/40

Smooth-bore design removes the need for potentially damaging modifications to install

GSI Expert HOP Wingless GBB Hop-Up Rubber Style:Gold (Soft) • Holds empty magazinesIntroducing the GSI Expert HOP Wingless Two Way Type Hop Up Rubber for All Seasons the ultimate solution for improving the accuracy of your airsoft gun. This high quality hop up rubber is designed to maintain a consistent trajectory in all weather conditions, making it the perfect companion for all season play. The GSI Expert HOP Wingless Two Way Type Hop Up Rubber is engineered to enhance the performance of your airsoft gun, ensuring that each shot