Smith & Wesson K Frame Model 66-4 Bolt, Spring & Plunger - Part# 6645C 45 acp N Frame Models: 24

N Frame Models: 24

Reliable spare magazine with ergonomic finger rest for your M&P Compact

Newer style extractor (flat-sided star extractor): Compatible with Model 66-4

357 MIM Bolt Assembly Revolver Part

Model 1006 (10mm Auto)

Smith & Wesson K Frame Model 66-4 Bolt, Spring & Plunger - Part# 6645C 45 acp N Frame Models: 24Smith & Wesson K Frame Model 66 4 Bolt, Spring & Plunger OEM Smith & Wesson replacement bolt, spring, and plunger assembly for the K Frame Model 66 4 revolver. This is an old style used part in good working condition a reliable, cost effective option for gunsmiths and collectors restoring or repairing a Model 66 4. Part Details Part Number: 6645C Condition: Used, Old Style Fits: Smith & Wesson K Frame Model 66 4 Caliber: . 357 Magnum . 38 Special