PolarStar
Fusion Engine HPA Drop-In Kit V2 Gen 3 M4 / M16

689,89 €
VAT includedAvailable · Estimated delivery in Spain: 2–3 working days.
Free shipping within Spain on orders from 150,00 €. For smaller orders and international destinations, shipping is calculated at checkout.
689,89 €
PolarStar Fusion Engine , HPA assembly that replaces the complete AEG gearbox on the indicated platform.



