HD24 Valve tuning spring cal. 43 T4E PPQ M2, Glock 17, VP9, PDP

The valve tuning spring made of hard-anodized high-strength material increases the performance of the T4E cal. 43 markers listed below from the factory-set 5 joules to a powerful 5.60 joules .

For tuning, you only need to replace the original spring with the shortened, reinforced tuning spring . Due to the longer opening time , more gas flows through and the performance increases by around 15% .

suitable for the following T4E models:

Umarex TPM1
Walther PPQ-M2
Smith & Wesson M&P9 2.0
Glock 17 Gen5
Heckler & Koch SFP9 VP9
Walther PDP

Special features:

• Material: stainless steel
• 15% performance increase
• Plug & Play - installation in under 5 minutes
• The conversion can be reversed at any time  

Scope of delivery:

• 1 x valve tuning spring
• Manufacturer's installation instructions
• Danger and warning notice after successful installation from Umarex

ATTENTION: Installation is prohibited in some European countries due to possible performance restrictions. Please inform yourself about the legal regulations and provisions for handling tuning parts in your country before ordering. Furthermore, all guarantee and warranty claims expire after installation.

Please also note the additional hazard and warning information in the product images!