HD24,Valve Tuning Spring FOR ALL UMAREX T4E MARKERS IN 0.43CAL, INCREASE POWER!

15% performance increase!!!

The long-awaited tuning spring for the T4E Cal. 43 is finally available.

The original spring is replaced by the shortened tuning spring. Due to the longer opening time, more gas flows through and the performance increases.

Details:

suitable for the

Umarex TPM1

Walther PPQ M2

Smith & Wesson M&P9 2.0

Glock 17 Gen 5

Heckler Koch SFP9 VP9

PDP

Material: stainless steel

15% performance increase

Scope of delivery:

1x valve tuning spring (see picture 3)