S&W K Frame Model 66 4" Pinned Barrel .357 Magnum Stainless Used - 6623C Serrated Ramp the trigger is the primary

the trigger is the primary interface between the shooter and the firing mechanism — each pull cocks and releases the hammer in a single stroke

Whether you're maintaining vintage military firearms

As with all used parts

Part Number: MP4015B

Smith & Wesson MIM Serrated Trigger

S&W K Frame Model 66 4" Pinned Barrel .357 Magnum Stainless Used - 6623C Serrated Ramp the trigger is the primarySmith & Wesson K Frame Model 66 4" Pinned Barrel Stainless Steel Replace the barrel on your Model 66 Combat Magnum with this authentic Smith & Wesson factory 4" pinned barrel. Finished in stainless steel to match the original hardware, this old style used barrel is the correct OEM replacement for the K Frame . 357 Magnum revolver. Part Number: 6623C Length: 4" Style: Pinned Finish: Stainless Steel Condition: Used, old style Fits: Smith & Wesson K