While the Tokyo Marui MWS M4 GBB is highly praised for its gas efficiency and realistic operation, its stock plastic nozzle is notoriously prone to breaking when exposed to the higher pressures of green gas or propane. The BBT Enhanced Nozzle Set provides a heavy-duty, drop-in solution designed specifically to withstand the violent cycling of upgraded gas blowback setups. Molded from a high-density, fiber-reinforced polymer, this replacement nozzle is built to absorb intense impacts and resist the brittle shattering caused by rapid thermal cooldowns during heavy fire. Internally, reshaped gas pathways optimize flow to ensure a tight seal and consistent muzzle velocity, while a thickened loading pawl effectively prevents double-feeding and BB crushing. Precision-machined to fit perfectly within the MWS ZET System bolt carrier, it bridges the gap between low-pressure Japanese spec and rugged international field demands without sacrificing the platform's legendary efficiency. The complete kit includes the enhanced loading nozzle shell, an internal flute valve, a high-tension valve spring, and the necessary assembly pins, giving you everything required for a seamless upgrade.
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