McAfee SECURE sites help keep you safe from identity theft, credit card fraud, spyware, spam, viruses and online scams
FacebookMyspaceTwitterYouTubeConstant ContactAirsoft Safety Foundation

Extreme Durability Upgrade Level 1 (*400 fps)



  • Systema m120S Spring
  • Systema Metal Bushings
  • Systema Standard Ratio Flat Gears
  • Professional Installation

*fps is based on an average, firing .20 bb's.  Your actual performance will vary depending factors like inner barrel quality, length, bb weight and other factors. 

Sold Out
  • Part #: AEGDUR1400

Copyright © 2015 ::: Airsoft Extreme :::.
Parse Time: 0.666 - Number of Queries: 302 - Query Time: 0.45924940255737