Maddog M120 Airsoft Upgrade Spring;
Maddog M120 Airsoft Upgrade Spring

Upgrade your AEG with Maddog! This spring is rated at M120 and should fire at the 393.6 fps or 120 m/s range using a .20g BB. Torque Gears and a Torque motor are recommended for this spring. All Maddog AEG upgrade springs ar...

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Upgrade your AEG with Maddog! This spring is rated at M120 and should fire at the 393.6 fps or 120 m/s range using a .20g BB. Torque Gears and a Torque motor are recommended for this spring. All Maddog AEG upgrade springs are Made in USA!

  • Made in USA!
  • Upgraded AEG Spring
  • Rated velocity with a .20g BB: 393.6 fps or 120 m/s
  • Estimate Range without hop up: 177 feet
  • Joules with a .20g BB: 1.43J
  • Made in USA!
  • Upgraded AEG Spring
  • Rated velocity with a .20g BB: 393.6 fps or 120 m/s
  • Estimate Range without hop up: 177 feet
  • Joules with a .20g BB: 1.43J

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