The Field durability upgrade package is basically a gearbox overhaul for your AEG. This upgrade package will allow your AEG to conform to most field / outdoors FPS limits. Vital parts will be changed to achieve maximum air compression and longevity. For best results seek consultation by calling Airsoft GI before finalizing order.
Muzzle Velocity: 370-400FPS (Airsoft GI does not guarantee FPS, the range given is meant to be used as a guideline not an exact measure)
Aluminum Piston Head
POM / Poly-carb. Piston
Aluminum Cylinder head
Ball Bearing Spring Guide
Standard Ratio Gears
Application: Most AEGs except Tokyo Marui PSG-1, GR/CA/SR25, SVD, Famas, TM or TM clone M14, Ares Tavor, PTS Masada.
For upgrade service:
Please send the gun to:
21077 Commerce Pointe Dr
Walnut CA 91789.
Inside your package please include any e-mails that you have sent and received to and from us regarding the upgrade. Fees do not include return Shipping.
We require at about 10 business days to complete upgrades. This is an estimated time ONLY; some jobs may finish sooner, some may take longer.
Repair work may take longer than 10 business days to diagnose and repair.
If you purchase this service, and plan to send your airsoft gun through the mail, please call Airsoft GI during our business hours to receive shipping instructions. Our contact number is (909)869-0671, and our hours of operation are Monday - Saturday 12P.M. - 7P.M. PST. PLEASE DO NOT ship your gun to us without calling.
Helpful battery Note:
350FPS: 9.6V 600mah or above
400FPS: 9.6V 1500mah or 8.4V 2000mah or above
450FPS: 9.6V 2000mah or above
45 days limited warranty for all upgrade works done by Airsoft GI.