S&W K Frame Model 64-3 Barrel 4" Non-Pinned Stainless .38 Special Used - Part# 648 Sheriff Part Type: Hammer Block

Part Type: Hammer Block

Includes: Stirrup spring & swivel

Critical Component: Essential for proper cylinder timing and safe operation

40 S&W ⚠ Verify fit — economy variant Model 4003

Note: Verify your specific model variant before ordering

S&W K Frame Model 64-3 Barrel 4" Non-Pinned Stainless .38 Special Used - Part# 648 Sheriff Part Type: Hammer BlockSmith & Wesson K Frame Model 64 3 Barrel 4" Non Pinned, Stainless Steel Part# 648 Old Style Used Factory Part . 38 Special Stainless Steel Genuine Smith & Wesson factory replacement barrel 4" length non pinned stainless steel construction Fits K Frame Model 64 3 (. 38 Special) old style design Used part in good working condition Verify compatibility with your specific revolver before ordering Professional gunsmith installation required barrel fitting