| CAS G&G M4 Carbine Advanced vs SRC M4A1 Gen III | |||
| Parts | G&G M4 Advanced | SRC M4 GEN III | Win |
| Weight | ~2400g unloaded | ~2800g unloaded | SRC |
| Upper Receiver Material | Magnesium | Aluminum | SRC |
| Carry Handle | Magnesium | Aluminum | SRC |
| Lower Receiver Material | ABS | Glass Fiber Reinforced ABS | SRC |
| Lower Receiver Color | Medium Black Tint | Dark Black Tint | SRC |
| Lower Receiver Finish | Glossy | Sand Blasted Matt | SRC |
| Receiver Marking | USSF Logo (non-existance) | Authentic Canadian C8 Maple Leaf Logo | SRC |
| Dust Cover Opening | Manually | Charging handle pull | SRC |
| Handguard / Grip / Stock | Nylon Fiber | Nylon Fiber | - |
| Buffer Tube | Zinc | Zinc | - |
| Magazine catch | Zinc | Steel | SRC |
| Selector | Zinc | Steel | SRC |
| Bolt Catch | Zinc | Steel | SRC |
| Charging Handle | Zinc | Steel | SRC |
| Front Sight | Zinc | Steel | SRC |
| Flash Hider | Zinc | Steel | SRC |
| Inner Barrel Bore | 6.04mm silver electroplated | 6.05mm | G&G |
| Outer Barrel | Zinc | Aluminum CNC Lathed | SRC |
| Chamber Block | Zinc | Iron | SRC |
| Delta Ring | Zinc | Steel | SRC |
| Hop Up Chamber | One-piece Metal | One-piece Metal | - |
| Receiver Pins | Only front pin is locking type | Both are locking type | SRC |
| Motor | Strong (M130 Spring) | Ultra Torque (M150 spring) | SRC |
| Gear Box | Zinc, 8 screws, regular type | Zinc, 9 screws, reinforced type | SRC |
| Spring | M110 | M120 | SRC |
| Wires | Silver Type Low Resistance | High Heat Type | G&G |
| Bushings | 8mm Bearings | 8mm Bearings | - |
| Piston | Nylon Fiber w/ Steel Teeth | Nylon Fiber w/ Steel Teeth | - |
| Cylinder | Aluminum (blacked out) | Aluminum (blacked out) | - |
| Piston Head | Metal, unidirectional flow | Aluminum, unidirectional flow w/ bearings | SRC |
| Cylinder Head | Plastic, Single O-ring | Aluminum, Double O-ring | SRC |
| Nozzle | Nylon Fiber | POM (CNC Lathed with internal O-ring) | SRC |
| Spring Guide | Metal bearing, plastic shaft | Metal bearing, metal shaft | SRC |
| Safety | Mechanical only | Mechanical and Electrical | SRC |
| Battery | 9.6V 1400mA Nunchuck | 9.6V 1600mA Nunchuck | SRC |
| Charger | 15V 500mAH Auto Cut-Off | 15V 500mAH Auto Cut-Off | - |
| 11.1V Lipo Ready? | No | Yes | SRC |
| FPS | ~360fps | ~400fps | SRC |
| MSRP (Price) | $ 458 CAD + GST | $ 450 CAD + GST | SRC |
| Overall Wins | 2 wins | 30 wins | SRC |
| * The above comparison was done on Nov 1st, 2009 by Ken Cheung of www.007airsoft.com | |||
| * If you find any of the above un-true, please e-mail proof / reference to Ken at sales@007airsoft.com | |||