S&W J Frame Model 642-2 Airweight Bolt, Spring & Plunger (MIM) .38 Special +P – Part# 642C Marlin Ensures proper cylinder indexing and

Ensures proper cylinder indexing and lockup

Note: This listing is for the assembly only

✓ Easy installation with basic tools

Ensure compatibility with your specific K-Frame model before purchase

S&W J Frame Model 642-2 Airweight Bolt, Spring & Plunger (MIM) .38 Special +P – Part# 642C Marlin Ensures proper cylinder indexing andSmith & Wesson J Frame Model 642 2 Airweight Bolt, Spring & Plunger (MIM) Stainless Steel Restore reliable cylinder rotation and lockup on your Model 642 2 Airweight with this factory original MIM 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