Smith & Wesson Model 457D Mainspring & Plunger Spring, Used - Part# 457D16
$12.99
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Smith & Wesson Model 457D Mainspring & Plunger Spring, Used - Part# 457D16
$12.99
Smith & Wesson Model 457D Mainspring & Plunger Spring
Keep your S&W compact .45 ACP pistol running reliably with this original factory mainspring and plunger spring set. These are the critical fire control springs that drive the hammer and maintain consistent trigger function — essential for any rebuild, repair, or preventive maintenance on your 3rd-generation compact.
- Part Number: 457D16
- Condition: Used, factory original
- Fits: Smith & Wesson Model 457D and compatible 3rd-generation compact .45 ACP pistols (see compatibility below)
- Includes: Mainspring & Plunger Spring
- Caliber: .45 ACP
Compatible Models
This mainspring and plunger spring is compatible with the following Smith & Wesson 3rd-generation compact .45 ACP pistols:
- Model 457 / 457D (Alloy frame, .45 ACP)
- Model 4516 (Stainless compact, .45 ACP)
- Model 4526 (Stainless compact, .45 ACP)
- Model 4536 (Stainless compact, .45 ACP)
- Model 4546 (Stainless compact, .45 ACP)
Always verify fitment against your specific model and serial number before installation. Used parts are sold as-is.