CYMA CGS M4A1 10.5 inch GBBR
 
High quality aluminum alloy external construction
Steel receiver pins, forward assist, receiver end plate, castle nut
Polymer dust cover
Brand new CGS (CYMA Gas System) patented Trigger box system ,Steel Bolt and Nozzle unit provides reliable performance and durability
Brand new CGS (CYMA Gas System) patented QD Hop up unit provides convenient for Hop up adjustment and maintenance
Cross-compatible with standard TM MWS-spec parts
Short 10.5” CQB outer barrel 
4 Position aluminium buffer tube with aluminium hard kick recoil piston
Standard Mil Spec Style M4A1 pistol grip and Trigger guard
30 round NATO stanag 5.56 GBB magazine
Length: Approx. 700mm - 780mm (Adjustable)
Inner Barrel: Approx. 300mm
Magazine Capacity: 30rds (Compatible w/ Other TM MWS 
Series Magazines)
Thread Direction: 14mm Negative (CCW)
Gas Type: Green Gas/134A Gas
FPS Range: 340-380(Green Gas) / 282(123A Gas)
Fire Modes: Semi/Full-Auto, Safety
Package Includes: Gun, Magazine, BB Loader
Hopup: Patented QD and Easy Adjust Hop up unit
 
The CGS (CYMA Gas System) Series showcases an innovative design incorporating our latest advancements in gas blowback rifle technology, powered by the SP System T8 airsoft. The CGS GBBR series is highly compatible with the TMMWS system, offering a more reliable and efficient base gun compared to other systems.
CYMA : CGS.001