Fusion Engine HPA Drop-In Kit V2 Gen 3 M4 / M16 ghillie/leafsuit It makes them a prime

It makes them a prime choice for situations where eye protection is as crucial as being inconspicuous in the crowd

Dimension: 60x29 mm Thread: 11mm CCW Weight: 39 g Shipping weight: 70 g A battery (NiMh) is included

Weight: 40 g Shipping weight: 300 g

Low and 1/3 Co-Witness mount fits Picatinny rails

The handguard is anodized in a matte black coating and fitted with a top-integrated 37-slot Picatinny rail and Keymod attachment slots

Fusion Engine HPA Drop-In Kit V2 Gen 3 M4 / M16 ghillie/leafsuit It makes them a primeDescription The Fusion Engine from Polarstar is today one of the most proven HPA design for airsoft. It was originally released in 2011 and its received reward for Best HPA Engine in 8th Airsoft Players Choice Awards by Popular Airsoft. The third generation of this system continues this tradition and provides the user with one of the best drop in kits on the market. This complete drop in system replaces the whole AEG gearbox with high quality, CNC