Matrix Regular Pitch Airsoft AEG Upgrade Spring - Assorted Sizes

ID: 31452 (SPR-MTX-M90) ID: 31454 (SPR-MTX-M100) ID: 31455 (SPR-MTX-M110) Matrix 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. M160 : ~530+ 20 F.P.S. M170 : ~560+ 20 F.P.S. M180 : ~595+ 20 F.P.S. M190 : ~625 + 20 F.P.S. Evike.com Airsoft AEG Tip: Always reset your spring by firing one shot in semi-automatic before putting it away. M120 / 190% or stronger spring upgrade may require reinforcement of other gear box internal parts. 9.6V or Stronger battery may be required to power higher than stock springs.