The FPS ERGAL piston head is a great upgrade that will increase the efficiency of airflow through the cylinder, ensuring an air tightness never seen beforeThis piston head has ports on the front to push out the o-ring as it moves forwards, this ensures that all of the air

Ergal padded piston head with double or lightened for high speed (TPAVN)
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Modify Polycarbonate Piston Head

The WHITE piston head is CNC made in DELRIN on specific measurements by TopMax Elaborazioni. The incredibly low weight of 3.27 grams net and the DELRIN structure make this piston head reliable, durable and incredibly suitable for any type of configuration. The WHITE piston head is made with axial-internal anti-vacuum holes and radial outlet holes, which allow for better distribution of the air on the sealing O-RING, speeding up its expansion in the compression phase

LONEX POM PISTON HEAD with ball bearing

The BLACK piston head is CNC made in DELRIN on specific measurements by TopMax Elaborazioni. The incredibly low weight of 3.03 grams net and the DELRIN structure make this piston head reliable, durable and incredibly suitable for any type of configuration. The BLACK piston head is made with axial half-body vacuum holes

POM plunger piston head with double or (XPPD)
The new generation of FPS piston heads has been equipped with the new X-RING technology, and a plastic thickness of one millimeter has been added to have the ideal hooking angle in every situation.
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DMAC Piston Head X-Flow EVO® in Ertalon + mos2

The innovative X-Flow EVO Head Piston in Ertalon+mos2 (polymer) made with the CNC machining, has been designed and calibrated to the thousandth.

The piston head designed especially for standard and high-performance builds helping you achieve the best results and overcome limits. Thanks to the use of 10 vents, airflow significantly increases improving sealing. High quality aircraft-grade aluminum CNC machining ensures repeatability of shots, the perfect head-to-cylinder seal, and high power. Together with adjustable AOE, it is essential for every build. The special weight pads included in the kit allow using heavier BBs in DMR builds.

SHS Red piston head with the bearing