The BBT Enhanced Nozzle Set for the Tokyo Marui MWS GBB is a complete, direct drop-in upgrade designed for players who want to push their M4 MWS gas blowback rifle harder without sacrificing reliability. While the Tokyo Marui MWS M4 GBB is widely praised for its gas efficiency and realistic operation, its factory plastic nozzle is known to be vulnerable under the higher pressures of green gas or propane. The BBT set answers this with a heavy-duty replacement molded from high-strength, fiber-reinforced polymer, giving it the durability to absorb violent cycling and resist the brittle shattering that can occur during rapid thermal cooldowns under heavy fire.

Inside, the nozzle has also been refined for performance. Reshaped gas pathways optimize flow to create enhanced gas efficiency and airtight sealing, delivering consistent velocity and reliable feeding. A thickened loading pawl helps prevent double-feeding and BB crushing, while the precision-machined design fits perfectly within the MWS ZET System bolt carrier. This allows it to bridge the gap between low-pressure Japanese specifications and rugged international field demands without sacrificing the platform?s legendary efficiency. It is also optimized for high-pressure gas systems, making it well suited to upgraded gas blowback setups.

The BBT Enhanced Nozzle Set is a complete replacement set with internal components, including the enhanced loading nozzle shell, an internal flute valve, a high-tension valve spring, and the necessary assembly pins. This gives users everything required for a seamless upgrade and easy installation. It is designed for the Tokyo Marui AR / M4 MWS ZET System GBB Airsoft Rifle Series, making it a strong, field-ready solution for MWS owners who want greater durability, consistent performance, and confidence when using green gas, propane, or high-pressure systems.

Key Features

• BBT Enhanced Nozzle Set for Tokyo Marui MWS GBB is a complete drop-in upgrade for easy installation.

• Made from high-strength reinforced polymer for durability under high-pressure gas systems.

• Designed for the Tokyo Marui M4 MWS GBB series.

• Improves gas efficiency, airtight sealing, consistent velocity, and reliable feeding.

• Stock MWS plastic nozzle often breaks under green gas or propane pressure.

• Heavy-duty build withstands violent cycling and resists shattering from rapid thermal cooldowns.

• Reshaped gas pathways optimize flow for a tight seal and stable muzzle velocity.

• Thickened loading pawl prevents double-feeding and BB crushing.

• Precision-machined for the MWS ZET System bolt carrier, bridging low-pressure Japanese spec and rugged field demands without losing efficiency.

• Complete kit includes enhanced loading nozzle shell, internal flute valve, high-tension valve spring, and assembly pins.

• Compatible with Tokyo Marui AR / M4 MWS ZET System GBB Airsoft Rifle Series.