Smith & Wesson K Frame Model 66-2 Main Spring, Used - Part# 66141D

Smith & Wesson K Frame Model 66-2 Main Spring (Hammer Spring) — Used

OEM Smith & Wesson main spring (also known as the hammer spring) removed from a K Frame Model 66-2 .357 Magnum revolver. This is a genuine factory part in used condition.

Part Details

• Part Number: 66141D
• Condition: Used (Old Style)
• OEM Manufacturer: Smith & Wesson
• Frame Size: K Frame
• Function: Main Spring / Hammer Spring

Compatible Models

This main spring is compatible with the following Smith & Wesson K Frame centerfire revolver models:

• Model 66-2 (.357 Magnum) — Primary fit
• Model 66 (.357 Magnum)
• Model 19 (.357 Magnum)
• Model 65 (.357 Magnum)
• Model 13 (.357 Magnum)
• Model 10 (.38 Special)
• Model 64 (.38 Special)
• Model 67 (.38 Special)
• Model 14 (.38 Special)
• Model 15 (.38 Special)
• Model 16 (.38 Special)

Note: Not compatible with K Frame rimfire models (17, 18, 48, 617, 648). Rimfire hammers and associated springs differ from centerfire configurations.

Condition Notes

This is a used, old-style part. Inspect upon receipt for wear. Suitable for replacement or repair use. All sales of used parts are final.