| Brand | S&W |
|---|---|
| For Gun Make | Smith & Wesson |
| Type | Grip Parts |
| Gauge/Caliber | 9mm, .40 |
| For Gun Type | Handgun |
| Material/Finish | Stainless Steel |
Check the listing for details. Smith & Wesson SW SD9, SD40 Mag Catch Spring 5 Pack - Mag Release Spring S&W. Condition: New other (see details). Listed at 6.50 USD. S&W SD9, S&W SD9VE, S&W SD40, S&W SD40VE, S&W SW9VE,S&W SW40VE. Smith & Wesson. These springs are made of high quality spring wire (music wire), the substitute for the OEM springs and a bit stiffer than the OEM springs, thus the magazine will be locked better.