GHK Colt Licensed M4A1 V2 RIS GBBR (10.5" / 12.5" / 14.5") jing gong (upgrade the suspension system function

(upgrade the suspension system function PS the old suspension system can not be locked)

Redline Mini SFR regulator unit

Offers improved compression and feeding compared to OEM buckings

- Fit for PKM Series Airsoft Electric Gun AEG

Note: The design of this pistol uses significant amount of gas to empty all Plastic Pellet in the magazine

GHK Colt Licensed M4A1 V2 RIS GBBR (10.5" / 12.5" / 14.5") jing gong (upgrade the suspension system functionComes with orange tip. Features Full metal upper and lower receiver with stamped Colt trademarks Metal barrel assembly with fixed triangular front sight Metal RIS handguard allows for easy addition of any 20mm accessories Flat top receiver makes mounting optics or other accessories easy Adjustable LE style stock and polymer pistol grip CNC bolt carrier group with negative pressure blowback system. CNC process with heat treatment. Harder material and