S&W K Frame Model 10 4" Pinned Barrel Blue Steel .38 Special, Part 1021E N57U Model Generation Caliber Capacity Compatible

Model Generation Caliber Capacity Compatible M&P 40 Full Size 1

640-1 J Frame

410 gauge with this genuine used OEM locking bolt

Aftermarket parts may not meet the same standards as genuine Smith & Wesson components

S&W K Frame Model 10 4" Pinned Barrel Blue Steel .38 Special, Part 1021E N57U Model Generation Caliber Capacity CompatibleSmith & Wesson K Frame Model 10 4" Pinned Barrel Blue Steel Part #1021E Used OEM Factory Part . 38 Special Fits: S&W K Frame Model 10 (pinned barrel variants, pre Model 10 6) Barrel Length: 4" Type: Pinned Barrel Finish: Blue Steel Caliber: . 38 Special Condition: Used original Smith & Wesson factory part, old style Frame Size: K Frame The pinned barrel was used on S&W revolvers prior to the Model 10 6 (approximately 1977). The barrel pin locks the