Specna Arms CORE Series SBR M4 AEG Airsoft Rifle - Black First Strike Barrels and barrel front are polished

and barrel front are polished (gloss) color

Gearbox programmable via EFCS programming unit (sold separately)

with both rifles shooting a muzzle velocity of 280 fps

Manufacturer: EMG Under License by TTI in collaboration with JAG

Specna Arms CORE Series SBR M4 AEG Airsoft Rifle - Black First Strike Barrels and barrel front are polishedFeatures: Ultra lightweight fiberglass reinforced polymer receiver Licensed Rock River Arms logos Nylon fiber furniture Metal barrel assembly, flash hider, charging handle, and sling swivels ESA quick spring change system allows the spring to be changed without the need to disassemble your gun Rotary type hopup with 6. 03mm tight bore barrel 380 fps spring pre installed from factory, optional 310fps (M90) spring included to reduce muzzle velocity