M4A1 CQB 10.5" CGS Gas Blowback

CYMA M4A1 CQB 10.5" CGS Lightning Series GBBR Airsoft Rifle (Black)

The CYMA M4A1 CQB 10.5" CGS LS GBBR is a compact gas blowback M4 built for players who want realistic AR handling, a punchy recoil impulse, and a durable platform that can survive hard milsim use. Powered by the modern CYMA CGS gas system (developed with T8 SP Systems) and structurally inspired by the proven Tokyo Marui MWS (Z-System), this rifle gives you MWS-style reliability and magazine compatibility—while shipping with tougher, skirmish-ready internals straight from the factory.

This Lightning Series (LS) variant features an aluminum bolt carrier to reduce reciprocating mass, speeding up the cycle for faster follow-up shots, improved trigger response, and a higher potential rate of fire. Add the full metal aluminum receiver set and realistic dimensions, and you get a MWS-compatible GBBR that feels authentic in the hands and performs consistently game after game.

Field-focused advantages

• CQB-friendly 10.5" configuration for fast transitions and tight angles
• CYMA CGS system (MWS-inspired) for stable cycling and a huge upgrade ecosystem
• Steel adjustable trigger mechanism (CGS / MWS T8 SP Systems) for a crisp pull and long service life
• Lightning Series aluminum bolt carrier for faster cycling and a lively shooting feel
• Strong blowback with realistic AR15 controls for training and milsim immersion
• Tokyo Marui MWS magazine compatible for easy spare-mag sourcing

QD Hop-Up + 6.03mm precision barrel (consistency you can feel)

The CGS platform uses a metal QD hop-up chamber with TDC-style pressure adjustment via screw, allowing quick tuning without unnecessary disassembly. A 70° T8 hop-up bucking (GBB/VSR type) helps maintain stable lift with heavier BBs, while the 260mm / 6.03mm precision inner barrel supports tighter groupings and improved gas efficiency—ideal for indoor/outdoor CQB sites.

Simple, practical CQB layout

This CQB model keeps things clean with a classic handguard and an upper RIS rail—perfect for mounting a red dot and keeping the front end light and fast. A 4-position telescopic stock lets you adapt instantly to doorways, corners, and vehicle play.

Pair it with quality ammunition and a proper rifle platform setup: browse Airsoft Rifles and stock up on Airsoft BBs. Shop the brand here: CYMA Collection.

Maintenance note (recommended)

• After purchase, clean excess factory grease around the nozzle, hop-up area, and trigger group.
• Lightly lubricate seals and moving parts with quality silicone oil.
• Avoid oil/grease in the hop-up chamber or on BBs—range and accuracy will suffer.
• After cleaning, apply and adjust hop-up before play to prevent BBs dropping through the barrel.

Package contents

• CYMA M4A1 CQB 10.5" CGS LS gas blowback rifle
• CGS gas magazine (30 BBs, metal)
• Rear flip-up sight
• Speed loader

Specifications

Type	Gas Blowback Rifle (GBBR)
Platform	AR15 / M4A1 CQB 10.5"
System	CYMA CGS (Lightning Series)
Gas Type	Green Gas
Fire Modes	Semi / Full-auto
Output	~1.0 J (Green Gas)
Muzzle Velocity	~100 m/s (0.20g BBs)
Recommended BB Weight	0.28g – 0.32g
Hop-Up	Adjustable (metal QD chamber, TDC adjustment)
Inner Barrel	260 mm / 6.03 mm
Magazine	30 BBs (metal) – TM MWS compatible
Length	700–780 mm
Weight	2800 g
Thread	14 mm CCW
Handguard	Classic (no mounting rails) + upper RIS rail
Receiver Material	Aluminum (metal)
Bolt Carrier	Aluminum (LS version)
Trigger Mechanism	Steel, adjustable (T8 SP Systems / MWS style)
Blowback	Yes
Color	Black