Selling my Blue/Pink Fully Built F1 Firearms Polarstar F2. This is the sister rifle to the all black F1 Firearms F2. It is the ultimate CQB weapon, a m4 Polarstar, with the size and maneuverability of a pistol. Nothing and no one will stand in your way This rifle is equipped with the Polarstar F2. The F2 engine is the best HPA engine on the market, it’s a combination of the Polarstar Jack simplicity, F1 air efficiency, and Fusion engine customizability, consistency, and accuracy. It shares the same duel solenoid design and close bolt nozzle as the fusion engine which allows for variable FPS, high RPS, and overall fantastic performance. Its paired with a ProWin hopup unit as well as a Prometheus inner barrel It has a blue F1 firearms skeletonized body paired with a 3D printed grip, base plate, and handguard. It’s extremely light and has working semi and full auto. Shoots 350 fps at 135psi with a .20g bb and up to 60rps on full auto. FPS can dip below 250 if needed. High quality magazines are recommended since the f1 mag well is slightly larger than standard m4’s and may have issues accepting anything other than high quality mags such as PTS EMP, HEX, and P-Mags. Selector switch is super loose but fully functional, needs to be moved a full 180° from auto to safe in order to turn hack to semi. Comes as shown but without magazine or attachments. Tracer unit, battery charger, battery, fcu, airtank, regulator, and line can be added for extra. NO TRADES FOR HICAPAS, GBBRS, OR SNIPERS Parts list: F1 Firearms receiver 3d handguard 3d pistol grip 3d base Plate Maxx mag release F1 selector G&G Polarstar F2 Amped Weaved IGL EMG Flat trigger Prowin hopup Open bolt bucking Flat hop Prometheus 6.03 190mm inner barrel