Ferrum E is available in two versions

Designed to oppose armored foes

Light Source: LED

1x COB keychain light

One-piece full metal outer barrel

PolarStar Fusion Engine V2 GEN3 SPEEDLOADERS Ferrum E is available inThese have a Red Nozzle and Red Poppet installed directly from Polarstar! Have you ever dreamed of Polarizing your MP5, G3 or SCAR? With the introduction of the GEN3, now you can! At first glance the GEN3 FEV2 looks very much like the GEN2 and, for the most part, the two are quite similar. However, unlike its predecessor, the FEV2 GEN3 is no longer just for the M4 M16 series rifle. We applied the same concept used with our Version 3 Fusion Engine so