Smith & Wesson Governor Z Frame Cylinder Stop & Spring .45 LC / .45 ACP / .410 — Used OEM Part ZGOV81 j36u Introduced in the early 1900s

Introduced in the early 1900s

Expert Support Available: Questions about compatibility with your specific M2

Converts round butt to square butt configuration

Designed for the

Frame Compatibility: N-Frame Model 57

Smith & Wesson Governor Z Frame Cylinder Stop & Spring .45 LC / .45 ACP / .410 — Used OEM Part ZGOV81 j36u Introduced in the early 1900sSmith & Wesson Governor Z Frame Cylinder Stop & Spring . 45 LC . 45 ACP . 410, Used OEM Surplus Part Genuine Smith & Wesson OEM cylinder stop and spring pulled from a Z Frame Governor revolver. The cylinder stop (also called the cylinder latch or bolt) is the small spring loaded component that rises from the frame to lock the cylinder in alignment with the barrel at each chamber position. The spring drives the cylinder stop upward into the cylinder