PolarStar Fusion Engine, Gen 3, Version 2, M4 Drop in Airsoft Engine - Airsoft Nation

PolarStar Fusion Engine, Gen 3, Version 2, M4 Drop in Airsoft Engine

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  • $515.00
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The PolarStar Fusion Engine, Gen 3, Version 2, M4 Drop in Airsoft Engine is far and away, one of our most popular items. People can't seem to get enough of it.

Inventory Last Updated: Oct 24, 2025
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