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Clamps to most any MIL-STD-1913 Picatinny/STANAG 4694 railed hand guard and provides the same height-over-bore as standard A2 ironsProtective wings shield the spring-locking A2 front sight postElevation adjustment tool included
5 mm Connection: T-Plug Weight: 70 g Shipping weight: 80 g
M31's performance is exemplary in its price bracket
4mm high-impact Polycarbonate lensesDistortion-free optics & 100% UVA/UVB protection Weight: 29 g Shipping weight: 250 g
Fusion Engine HPA Drop-In Kit V2 Gen 3 M4 / M16 test-collection Clamps to most any MIL-STD-1913Description 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
