The CowCow Enhanced TM G17 Gen5 Piston Head is a precision upgrade component designed to replace the factory piston head in Tokyo Marui G17 Gen5 gas blowback pistols. Built with enhanced engineering and premium materials, it delivers measurable improvements in air-tightness, consistency, and component longevity.
Key Features
- Enhanced air-tightness – reduces gas bleed and improves efficiency
- High-impact design – withstands sustained high-pressure cycling
- Anti-oil rubber material – resists degradation and maintains seal integrity
- Improved durability – longer service life than OEM TM piston head
- Direct TM G17 Gen5 compatibility – drop-in replacement
- Stabilised performance – consistent shot velocity and cycling
Real-World Use Cases
This piston head suits skirmishers who run high-round-count events and need reliable, consistent performance from their TM G17 Gen5. It’s particularly valuable for those upgrading to heavier gas or who’ve experienced premature wear on stock components. Milsim sidearm users will appreciate the enhanced durability and air retention over extended play sessions.
Technical Specifications
- Brand: CowCow
- Model: Enhanced TM G17 Gen5 Piston Head
- SKU: CCT-TMG-072
- Material: High-quality anti-oil rubber
- Compatibility: Tokyo Marui G17 Gen5
- Type: GBB piston head upgrade
Compatibility & Upgrades
Designed as a direct replacement for the OEM piston head in Tokyo Marui G17 Gen5 GBB pistols. Installation requires basic pistol disassembly; no modification to the airsoft gun is necessary. Pairs well with other CowCow internals or OEM components. No special tools required for fitting.
UK Legal & Site Notes
Piston heads are internal upgrade components and carry no legal restrictions in the UK. Use on any UKARA-registered site is permitted. Always confirm with your local skirmish site or milsim event that internal upgrades are permitted before attending.
Upgrade your TM G17 Gen5 with CowCow engineering and enjoy improved gas efficiency and component reliability. Order yours today at Airsoftdirect.





