Smith & Wesson K Frame Model 10 Hammer Stirrup NOS .38 Special - Part 07021U .380 ACP Model-Specific Fit: Engineered exclusively for

Model-Specific Fit: Engineered exclusively for J Frame Model 940 9mm revolvers

Multi-Caliber Fit: Compatible with M&P 9mm

Installation requires partial disassembly of your S&W revolver to access the rebound spring

Brand: HiViz

This critical internal part rotates the cylinder during trigger operation

Smith & Wesson K Frame Model 10 Hammer Stirrup NOS .38 Special - Part 07021U .380 ACP Model-Specific Fit: Engineered exclusively forSmith & Wesson K Frame Model 10 Hammer Stirrup Factory OEM, New Old Stock Genuine Smith & Wesson OEM factory replacement hammer stirrup for K Frame Model 10 double action revolvers. New Old Stock (NOS) factory new, never installed. This listing is for the hammer stirrup only. Technical Specifications Manufacturer: Smith & Wesson Part Number: 07021U SKU: 07021U Component: Hammer Stirrup Frame: K Frame Caliber: . 38 Special Condition: New Old Stock