PROMETHEUS PISTON HEAD FOR M4/HK416/HK417 NGRS AEG NEW VER 2

The Prometheus Piston Head for M4/HK416/HK417 NGRS (New Ver.2) is built to optimize air seal and compression in Tokyo Marui Next Gen Recoil Shock AEGs. Featuring ported design and durable materials, it delivers stable FPS, reduced stress on the gearbox, and improved shot consistency. Ideal for high-performance builds.

“Use working at the time of the air supply, fuel efficiency and compression during airtight, the head shape with improved exhaust efficiency and durability, rich in 耐疲 labor and wear friction characteristics, excellent POM material with excellent self-lubricating performance. Moreover, it seemed difficult mounted in that space, with be equipped with a thrust bearing, and to eliminate the twist at the time of spring compression, and pull maximum performance.

Internal Required items of custom.”