Thread: 4056tsw value?
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Old 09-27-2017, 12:22 AM
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Originally Posted by moresnowdays View Post
There are (Wolff) springs for S&W 40xx, anyone know which to buy?
Wolff 20# hammer spring: 26920 (short, type "B")

Wolff Xtra Power firing pin spring: 26108XP

Wolff does not make a magazine spring expressly stated for the (9 rd.) 4056TSW but I have used their extra power (+10%) mag spring for the (11 rd.) 4006 after cutting off one-complete turn, which has worked without any issues. S&W may still offer them.

Wolff does not make the dual/nested recoil spring for it. Either buy the springs from S&W, PN# 108670000 & 108660000 (inner & outer), or an ISMI GLC-20 flat wire recoil spring (that will likely need fitting), or Sprinco's #45162 dual/nested set.

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Last edited by BLUEDOT37; 09-27-2017 at 12:24 AM. Reason: .
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