Spring Upgrade to M110

This service is to Remove and replace your factory or OEM Spring with an upgraded one for increased performance
 
NOTE: If you are not dropping your guns off to use you will have to pay for return shipping from our store back to you, this is $15.00 for a standard M4 Size AEG gun and takes 2-3 days
 
These upgrade springs are built after careful study of major Japanese spring sets providing all the features you'll look for in an AEG spring for maximum performance. It is made out of high quality anodized piano wire, with tension carefully measured. Systema's irregular pitch, Prometheus's Stainless steel material and PDI's durability are all features duplicated and found in a Matrix spring. Test shown that this spring will last you longer, is more durable and will out perform!

Features:
Irregular Pitch Spring Coils: Variable Tension. Reduces stress, wear and tear for your Gearbox.
Strength: Made out of Stainless Steel. Increased tension and durability. Tension lasts 50% longer than other leading brands.
Compatibility: Designed for all version Airsoft AEG gearboxes.

Spring Power Chart. (% / FPS)
FPS estimate based on average power output. Exact FPS result may vary based on alignment, installation, inner barrel, cylinder and other factors.
120% (M90) ~280~340 F.P.S.
130% (M95) ~290~370 F.P.S.
140% (M100) ~320~380 F.P.S.
150% (M110) ~330~390 F.P.S.
160% (M113) ~340~400F.P.S.
170% (M115) ~350~420 F.P.S.
190% (M120) ~360~450 F.P.S.
210% (M125) ~400~470 F.P.S.
235% (M130) ~420~500 F.P.S.
260% (M140) ~450~550 F.P.S.
300% (M150) ~480~600 F.P.S.