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HPA USL SlimLine braided hose by EPeS in dark red color.
Length 25 cm with output under the stock.
Flexible and durable hose with a QD Foster Series 2 connector.
Designed specifically for HPA systems P* (PolarStar) Jack, F1, and F2 and others.
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25+ years of proven equipment and accessories.
F2V2-M4
PolarStar F2™ V2 (M4) HPA conversion kit is a premium dual-solenoid HPA system for converting an AEG to HPA power. It offers independent control of the nozzle and valve, an operating pressure of 45–145 PSI for a muzzle velocity of 60 to 150 m/s, high air efficiency and adjustable RoF via the FCU. This version is designed for V2 AEG gearboxes (M4 / AR15...
Looking for a high-quality HPA hose that guarantees top performance with zero pressure loss? Want a soft, extremely flexible line that withstands long-term use? Need reliable compatibility with PolarStar Jack, F1, F2 and other HPA systems? Then the USL SlimLine by EPeS is exactly what you need. This braided HPA hose combines low weight, high flexibility and excellent resistance to damage. Thanks to the US Foster Series 2 connector, installation is quick and easy. The stainless steel QD coupling (AISI 303) with black coating ensures long life. The 7 mm PVC construction with polyester braid minimises flow loss when bent, keeping the line safe and efficient. Everything is manufactured precisely in the Czech Republic – EPeS truly understands what the HPA community needs. For more information and recommended HPA components, read our article How to build your HPA setup!
Installation video for the PolarStar F2 HPA system
1. S&F braided hoses (lengths 80/100/115 cm):
2. HPA system inlet hoses:
| Color | Red |
| Length | 250 (mm) |