Fusion Engine HPA Drop-In Kit M249 GIB1 and a 1/2 MOA adjustment

and a 1/2 MOA adjustment per every click

PolarStar was established in 2009 to fulfil the need for high quality

4 cm Steel: 440 Series Stainless Steel Handle: 10 cm Handle: Synthetic Blade length: 75 mm Handle length: 100 mm Total length: 175 mm Weight: 80 g Shipping weight: 150 g

Excellent value for duty

Fusion Engine HPA Drop-In Kit M249 GIB1 and a 1/2 MOA adjustmentDescription 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