Polarstar Airsoft M4/M16 Generation 3 Version 2 Fusion Engine

SPECIFICATIONS: BRAND: POLARSTAR BUILD: ALUMINUM FIRING MODES: FULL AUTO, SEMI AUTO, VARIABLE BURST FE PROFILE: VERSION 2 NOZZLE TYPE: M4/M16 SERIES INCLUDED SELECTOR PLATE: M4/M16 SERIES CYCLIC RATE: 500 RPM TO 1,800 RPM FCU BATTERY: 7.4V LIPO W/ JST CONNECTOR (NOT INCLUDED) FCU VOLTAGE INPUT RANGE: 7-10VDC ELECTRONICS: REV2 PROPELLANT: POWER SOURCE: HPA (HIGH PRESSURE AIR VIA REMOTE AIR RIG) PSI OPERATING RANGE: 80 PSI - 120 PSI WEIGHT: 0.75 LBS COLOR: BLACK PACKAGE INCLUDES: 1X FUSION ENGINE, 1X FCU FEATURES: STABILIZES THE BB IN THE HOP UP BEFORE FIRING REMOVES ANY SPIN THAT MAY CAUSE BBS TO VEER IN A DIFFERENT DIRECTIONS AT RANGE IMMEDIATE TRIGGER RESPONSE WITHOUT DRYFIRE USER SELECTABLE SEMI/FULL AUTO, SEMI AUTO ONLY AND VARIABLE BURST MODES FCU ADJUSTS KEY SETTINGS TO MEET FIELD REQUIREMENTS FUSION ENGINE FOR SPECIFICALLY V2 GEARBOX IMPROVES HOP UP PERFORMANCE WITH A WIDE RANGE OF STOCK AND AFTERMARKET OPTIONS ASSEMBLED FROM CNC MACHINED ALUMINUM COMPONENTS DESIGNED, MANUFACT