Lonex Tune-Up M120SP Airsoft AEG Spring [350 - 400 FPS]
SKU: GB-04-03 LonexIn Stock
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- High class steel construction to ensure durability
- Non-linear spring design to displace pressure, offering a more stable FPS while conserving battery power
- Simple installation for increasing your stock muzzle velocity
- Typically muzzle velocity results within 350 to 400 FPS (w/ 0.20g BBs)
- Compatible with most AEG gearboxes