機本上好多金身都係用一體式hop up
得少部份係用分體
你買個時有冇check清楚嫁...
唔好樣樣都怪人身得嫁
自已唔check清楚就係到插人=.=
自已睇下有咩自已係冇啦~
- Licensed Magpul Billet Style Lower Receiver
- Shortened rear end section to accommodate Battery-Carrying Retractable Stock / Stock Tube
- Front Receiver Pin with lock detent
- Unique Serial Number
- Enlarged magwell for easier loading
- Textured Gripping Surface
- Aluminum Die Casting Construction
- Using G&P Delta Ring Set is recommended
- Suitable for M4 / M16 AEG Series
