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View larger Specna Arms PTFE grease in a practical 50 g package is a service lubricant for mechanically stressed parts of airsoft guns. It is particularly suitable for gearbox gears, piston racks and sliding surfaces. The PTFE additive reduces friction and wear while helping to ensure smooth operation of the mechanism.

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Specna Arms PTFE grease is a service lubricant designed primarily for mechanically stressed moving parts of airsoft guns. It contains particles of PTFE (polytetrafluoroethylene, commonly known as Teflon), which help create a low-friction film between contact surfaces, reducing friction and limiting wear. In an AEG gearbox, it is particularly suitable for gears, the steel piston rack and mechanical sliding surfaces. Good lubricant adhesion is also important at high gear speeds, as it helps prevent the grease from being quickly displaced or thrown off the lubricated area. PTFE grease is therefore a suitable choice for routine servicing of both standard and upgraded AEG rifles. For O-rings and air seal components, however, we recommend silicone grease, while ceramic grease can be used for extremely stressed gear setups. When applying grease, a simple rule applies – less is more. Excess lubricant increases mechanical resistance, attracts dirt and may spread during operation to areas that should remain dry. In particular, the hop-up bucking and inner barrel must not come into contact with grease.
| Property / application | Silicone grease | PTFE grease | Ceramic grease |
|---|---|---|---|
| Main application | Seals, O-rings and air seal components | Gears and mechanical sliding surfaces | Highly stressed gears and mechanical parts |
| Typical application | Piston O-ring, seals, GBB valves, HPA | Gears, piston rack, guide surfaces | High-stress gears, powerful and high-speed builds |
| Load resistance | Low to medium | High | Very high |
| O-rings and seals | Yes – primary application | Only if the manufacturer confirms compatibility with the specific elastomer | Not intended as a primary seal lubricant |
| Gears | Generally not recommended | Yes – primary application | Yes, especially under high loads |
| Hop-up bucking and barrel | No | No | No |
Primarily for lubricating gears, the piston rack and mechanical sliding surfaces. PTFE helps reduce friction between moving components and limits their wear.
PTFE grease is primarily intended for mechanically stressed gears and sliding surfaces, while silicone grease is mainly used in airsoft for O-rings, seals and air seal components.
Apply only a thin, even layer to the working surfaces of the gears. Too much grease does not improve lubrication; it only increases resistance, attracts dirt and may be thrown onto other parts of the gearbox at high speeds.
| Variants | PTFE (Teflon) |
| Weight (g) | 50 (g) |