PROMETHEUS Reinforced EG 20:1 Gears for Tokyo Marui Next-Gen NGRSPRM137002



PROMETHEUS Reinforced EG 20:1 Gears for Tokyo Marui Next-Gen NGRS


The PROMETHEUS EG Hard Gear 20:1 set is engineered to withstand the demanding mechanical forces of Tokyo Marui Next-Gen Recoil Shock (NGRS) rifles. Manufactured from hardened steel and treated with advanced thermal processes, these gears deliver exceptional durability even under extreme load.

During internal testing, the gear set was subjected to continuous operation using an 11.1V 20C LiPo battery, a 40,000 RPM high-torque motor and an MS120 spring (~400 FPS). Under these conditions, the gears endured over 10,000 consecutive rounds with no visible wear.
A performance that is reliable, precise and proven.

The 20:1 ratio offers an optimal balance of torque, smoothness and efficiency, improving energy transfer while reducing internal friction. Precision machining ensures stable and consistent engagement, increasing reliability and extending gearbox lifespan.


PROMETHEUS Reinforced EG 20:1 Gears for Tokyo Marui Next-Gen NGRS


· Product code / JAN: 4571443174680
· Brand: PROMETHEUS / LayLax
· Model: EG Hard Gear
· Type: Reinforced steel gear set
· Material: Heat-treated hardened steel
· Processes: Shot peening, heat treatment and precision machining
· Durability: High resistance under heavy mechanical load
· Design: Optimized for mechanical recoil systems
· Function: Improves energy transfer and reduces internal wear
· Gear ratio: 20:1
· Includes: Sector gear, spur gear, bevel gear
· Compatible with: Tokyo Marui Next-Gen Recoil Shock (NGRS)
· Not compatible with: Standard AEG platforms
· Made in Japan
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