A&K Technology Selector Click Ball Screw for STW Series Airsoft AEG
Features:
- Factory OEM component
- Manufactured to OEM specifications
- Steel construction
Compatibility: A&K STW M4, M4 CQB, M16A2, and M16A3 Training Weapons
Dimensions: 3.87mm x 3.90mm
Material: Steel
Manufacturer: A&K