S&W K Frame Model K38 Pre-Model 15 Bolt, Spring & Plunger .38 Special – Part# 1545 357sig The thumbpiece is the lever

The thumbpiece is the lever you press to release the cylinder for loading and unloading

This stainless steel 7 round magazine tube is manufactured for the Smith & Wesson M&P Shield calibered in 9mm

Note: Will also fit non-pinned barrel Model 10 revolvers

Factory OEM part for Smith & Wesson Military & Police 1st Model revolvers

S&W K Frame Model K38 Pre-Model 15 Bolt, Spring & Plunger .38 Special – Part# 1545 357sig The thumbpiece is the leverSmith & Wesson K Frame Model K38 Pre Model 15 Bolt, Spring & Plunger Old Style Restore reliable cylinder rotation and lockup on your K38 or Pre Model 15 with this factory original bolt, spring, and plunger set. The bolt (cylinder stop bolt) works in conjunction with the cylinder stop to index and lock each chamber in line with the barrel at the moment of firing a worn or damaged bolt leads to cylinder timing issues and inconsistent lockup. This old