Colt 603/XM16E1 GBBr Replica CGS - Black [CGS]

The XM16E1 Colt M603 replica from the CGS Vietnam series refers to one of the most important designs in the history of the AR-15 platform, used by the US armed forces in the early period of the Vietnam War. The XM16E1 model was a transitional stage between early AR-15 variants such as the Colt 601 and 602 and the later standard M16A1 rifle, introducing solutions that were intended to improve the reliability of the weapon in combat conditions. The replica was developed through cooperation between CYMA, T8 (SP System), and Taiwangun and uses the CGS (CYMA Gas System), which provides realistic operation of a Gas Blowback replica. Dynamic bolt operation, noticeable recoil, and mechanics similar to real firearms make this model offer a very high level of realism during use.

Historical characteristics of the design

The replica design faithfully reproduces the solutions used in XM16E1 rifles, which appeared in the mid-1960s as a response to operational problems of the first M16 versions. The construction uses a partial fence type lower receiver, which was characteristic of early variants of the AR-15 platform.

The XM16E1 model was equipped with an upper receiver with forward assist, used in constructions produced around 1965-1967. This solution allowed manual closing of the bolt in case of dirt or feeding issues.

The replica also features a characteristic 3-prong flash hider, which was one of the most recognizable elements of early M16 rifles used during the Vietnam War.

The construction also reproduces other characteristic details of the AR-15 platform from this period, such as a square forged upper, front sight base with bayonet lug, front sling mount attached with a spring roll pin, and slip ring handguard mounting used in early generations of this design.

The replica also maintains the styling of the bolt carrier group - a silver / chrome bolt carrier typical for earlier AR-15 variants has been used.

Thanks to these details, the replica very faithfully reproduces the appearance and character of XM16E1 rifles, which played a key role in the early period of the Vietnam conflict.

Full Colt Industries License

The replica was made under Colt Industries license, thanks to which it features authentic manufacturer markings and faithfully reproduced construction details of the original firearm. The external construction is made of high-quality aluminum, while key mechanical components are made of steel, which increases durability and resistance to intensive use.

Reinforced steel construction

To increase durability, the manufacturer used steel external components in the most stressed areas of the replica. These include, among others: flash hider / muzzle device, forged front sight, bolt catch, magazine release, trigger, construction pins, magazine, forward assist, and dust cover. The use of steel components in these key areas significantly increases resistance to wear during intensive use, while also making it a solid base for further modifications and tuning.

Reliable internal system CYMA CGS (CYMA Gas System)

The XM16E1 gas airsoft rifle uses the innovative CYMA CGS system, developed in cooperation with T8 (SP System). This advanced gas system draws inspiration from the renowned TM MWS M4/AR-15 gas airsoft rifle series and introduces an adjustable trigger, allowing better tuning.
You can expect excellent performance from this rifle, supported by a wide range of aftermarket upgrades and parts. To improve durability and longevity, CYMA has used internal steel components such as the bolt carrier, complete trigger group, and hammer.

The CGS (CYMA Gas System) series represents a breakthrough design, utilizing the latest advancements in gas blowback rifles. Being fully compatible with most standard TM MWS parts, it serves as an excellent base for further upgrades. It offers higher reliability and efficiency compared to alternative systems, providing a dependable platform ready to use straight out of the box.

The set includes

• AR15 Colt XM16E1 GGBr Airsoft rifle
• 22rd magazine
• Speedloader

Products recommended by us matching replica:

• Magazine : Green Gas AR15 magazine for CGS, MWS GBBr - Black [CGS]
• Gas : Airsoft Green Gas 400ml [Pro Tech Guns], Airsoft Green Gas 800ml [Pro Tech Guns], Airsoft Green Gas 1000ml [Pro Tech Guns]
• Accessories : Airsoft Single Point Red Dot - OEG [JJ Airsoft]

Every replica pass initial check up. It's being checked and overshooted on XCORTECH X3200 chronograph.