CYMA / EMG Daniel Defense® M4A1 RIII 12.5" CGS Lightning Series GBBR Airsoft Rifle (Black)
The CYMA / EMG Daniel Defense® M4A1 RIII 12.5" CGS LS is a premium green gas blowback airsoft rifle built for players who demand realistic AR handling, punchy recoil, and a platform that’s ready for serious milsim and training. With a fully metal aluminum receiver and authentic Daniel Defense® M4A1 RIII markings, it delivers the correct look and feel—backed by steel internals designed for long service life.
At its core is the modern CYMA CGS gas system, developed with T8 SP Systems and structurally inspired by the proven Tokyo Marui MWS (Z-System). That means familiar operation, excellent parts support, and best of all: full compatibility with Tokyo Marui MWS magazines—perfect for players who already run MWS or want easy spare-mag availability.
Lightning Series (LS): faster cycling, sharper response
This Lightning Series version uses an aluminum bolt carrier to reduce reciprocating mass. On the field, you get a faster cycle, snappier trigger feel, and a higher potential rate of fire—while still delivering a strong, satisfying blowback impulse.
Key features
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Licensed Daniel Defense® M4A1 RIII markings (CYMA / EMG collaboration)
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CYMA CGS GBBR system inspired by TM MWS, developed with T8 SP Systems
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Upgraded steel adjustable trigger mechanism (CGS / MWS T8) with crisp pull and long lifespan
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TM MWS magazine compatible (ideal for milsim loadouts and easy spare-mag sourcing)
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QD metal hop-up chamber with TDC-style screw adjustment (quick tuning, minimal disassembly)
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6.03mm precision inner barrel for improved consistency and gas efficiency
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M-LOK M4A1 RIII handguard + upper RIS rail for optics, lights, grips and mission accessories
RIII 12.5" setup: modern, compact, and adaptable
The 12.5" RIII configuration balances speed in tighter areas with stability for outdoor lanes. The M-LOK handguard keeps weight down while giving you a clean mounting solution for a light, vertical grip, hand stop, or sling setup—while the upper rail is ready for a red dot and magnifier combo.
Complete your build with essentials: stock up on Gas & CO2 and grab spares in Magazines for Airsoft Guns. Shop the brand collections: CYMA and Daniel Defense.
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.
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Do not get oil/grease into the hop-up chamber or onto 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 / EMG Daniel Defense® M4A1 RIII 12.5" CGS LS GBBR
- CGS gas magazine (30 BBs) (polymer, Lancer Systems L5AWM-style)
- Flip-up sights
- Speed loader
Specifications
| Type |
Gas Blowback Rifle (GBBR) |
| Platform |
AR15 / M4A1 RIII |
| 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 |
350 mm / 6.03 mm |
| Magazine |
30 BBs (polymer) – TM MWS compatible
|
| Length |
800–880 mm |
| Weight |
2950 g |
| Thread |
14 mm CCW |
| Handguard |
M-LOK M4A1 RIII |
| Receiver Material |
Aluminum (metal), authentic M4A1 RIII markings |
| Bolt Carrier |
Aluminum (LS version) |
| Trigger Mechanism |
Steel, adjustable (T8 SP Systems / MWS style) |
| Blowback |
Yes |
| Color |
Black |
