About Real M16A1

The M16A1, manufactured by Colt as the Model 603, is the iconic U.S. military rifle that became standard issue during the Vietnam War. Chambered in 5.56mm, it was lighter than its predecessors and offered both semi-automatic and fully automatic fire. Key improvements like a forward assist button and a chrome-lined barrel were added to solve early reliability issues in the field. It directly led to the later M16A2 and M4 Carbine, cementing its place as one of the most influential firearms of the 20th century.

About Cybergun M16A1 COLT M603 GBB Airsoft Rifle (CGS System)

CYMA has released this classic rifle, licensed by Cybergun, which was extensively used by the U.S. military during the Vietnam War and can be regarded as a representative firearm of that era?truly a timeless classic. Recognizing its unique historical significance, CYMA has reproduced this replica: the Cybergun M16A1 COLT M603 GBB Airsoft Rifle (CGS System). In real-steel history, this rifle has been in existence for over 55 years (as of 2026) and stands as an iconic representative of U.S. military firearms, forming an important milestone in the history of weaponry.
This Cybergun M16A1 COLT M603 GBB Airsoft Rifle (CGS System) features a metal lower receiver with highly realistic engraved "COLT AR-15" markings, a metal upper receiver with a built-in carrying handle (including a rear sight), a 485mm metal outer barrel, a 45mm metal muzzle brake, a 320mm polymer triangle handguard with a metal handguard cap, a polymer pistol grip, and a 250mm polymer fixed stock with a rubber pad. It also comes with a metal 20-round gas magazine. Additionally, the rifle includes detailed metal components such as a metal trigger and trigger guard, metal charging handle, steel sling loop, metal bolt catch, steel front sight, metal magazine release, steel dust cover, and steel forward assist.
Internally, this airsoft rifle utilizes the CGS system, a gas blowback design that replicates the Marui MWS system, offering very similar performance. As a result, MWS internal parts are compatible with this airsoft gun. The rifle delivers stable shooting performance and high accuracy, making it an excellent value-for-money airsoft rifle.
This classic replica rifle is well-suited for firearm collectors and can also be used effectively in wargame competitions and skirmishes.

Key Feature

• Semi & Fully Automatic Shooting Mode
• Metal Upper Receiver (Engraved "COLT AR-15" markings)
• Metal upper receiver with integrated carry handle and rear sight
• Metal 485mm Outer Barrel With 45mm Muzzle Brake
• Polymer 320mm triangle handguard with a metal cap
• Polymer pistol grip
• Polymer 250mm polymer stock With Rubber Stock Pad
• Metal Trigger & Trigger Guard
• Metal charging handle, steel sling loop, metal bolt catch, steel front sight, metal magazine release, steel dust cover, and steel forward assist
  
• Metal 20 rounds Loading Capacity Gas Magazine
• Full Steel Trigger Box
  
• With CGS gas blowback system