The Action Army spring is a high quality polished Steel Oil Tempered Non-Linear Spring that ensures maximum reliability and strength.

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.

(M95) ~290~370 F.P.S.
(M100) ~320~380 F.P.S.
(M110) ~330~390 F.P.S.
(M113) ~340~400F.P.S.
(M115) ~350~420 F.P.S.
(M120) ~360~450 F.P.S.
(M125) ~400~470 F.P.S.
(M130) ~420~500 F.P.S.
(M140) ~450~550 F.P.S.
(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.