KWA LM4 PTR Green Gas Magazine, 40 Rounds
KWA LM4 PTR 40 Round Green Gas Magazine (GBBR Rifle Magazine)
40-round green gas magazine for KWA LM4 PTR and LM4 KR platforms, built for consistent feeding and reliable field performance.
The KWA LM4 PTR 40 Round Green Gas Magazine is designed for gas blowback rifle platforms requiring consistent feeding and stable gas performance. Built specifically for KWA LM4 PTR and LM4 KR series rifles, it delivers dependable operation during training and gameplay.
This 40-round low-cap magazine offers increased capacity compared to standard real-cap magazines while maintaining controlled reloads and realistic operation. The green gas system provides consistent pressure for reliable cycling.
Constructed for durability, this magazine is designed to maintain proper gas retention and withstand repeated use in both indoor and outdoor environments. Its solid build and weight provide a realistic feel and improved handling during reloads.
Ships from the United States – Van Nuys, California.
Key Features
- 40-round capacity for extended use
- Compatible with KWA LM4 PTR and LM4 KR rifles
- Green gas powered system
- Low-cap design (no winding required)
- Consistent feeding and gas efficiency
- Durable construction for repeated field use
- Realistic weight and handling
Technical Specifications
| Product Type | Gas Blowback Rifle Magazine (GBBR) |
| Magazine Type | Low-Cap |
| Capacity | 40 Rounds |
| Compatibility | KWA LM4 PTR / LM4 KR Series |
| Power Source | Green Gas |
| Color | Black |
| Weight | Approx. 1.1 lb |
| Manufacturer | KWA |
Field Tips
- Fill gas for 4–6 seconds for optimal pressure
- Keep seals lubricated with silicone oil
- Store with a small amount of gas to preserve O-rings
- Avoid dropping loaded magazines to prevent damage
- Use high-quality green gas for best consistency
FAQ
What rifles does this magazine fit?
This magazine is designed for KWA LM4 PTR and LM4 KR gas blowback rifles.
How many rounds does it hold?
It holds up to 40 rounds.
Is this a real-cap magazine?
No. It is a low-cap magazine with higher capacity than standard real-cap options.
What gas does it use?
This magazine uses green gas.
Is this good for extended gameplay?
Yes. The 40-round capacity reduces reload frequency compared to real-cap magazines.
Usage Notice
Use only green gas as specified.
Do not overfill gas or BB capacity.
Inspect seals regularly for leaks or wear.
Improper use may result in reduced performance.
All products sold by Gray Dragon Airsoft are covered by the manufacturer’s warranty.
