Fps is proud to present the first M4 MARUI NGRS piston, a technopolymer body with carbon fiber and all-metal teeth 100% Made in Italy.

The filled technopolymer ensures great mechanical strength, lightness and great smoothness thanks to the carbon fiber filling.
The rack has been manufactured using MIM (Metal Injection Molding) technology, as this production process guarantees dimensional precision and robustness equal to that of solid machining.
The type of injected metal is SAE 4650, which is currently considered the best material on the market for this type of use.
The sliding guides are designed to minimize friction and retain lubricant for a long period of time.

100% MADE IN ITALY
100% COMPATIBLE MARUI