The Smith & Wesson K
This sight assembly fits Model 60 variants with 3" barrels across all dash numbers
Replacing it with a genuine S&W factory spring restores reliable ignition and smooth double-action performance
265-inch trigger width is the standard service trigger size for K Frame revolvers
Rimfire hammers have different firing pin configurations than centerfire models
S&W K/L Frame MIM Hammer .375" Wide Spur - Centerfire Models 293560000 Model 10 The Smith & Wesson KSmith & Wesson Factory New K Frame and L Frame MIM (Metal Injection Molding) hammer with . 375" wide spur and key lock. This genuine OEM component provides reliable firing pin engagement for centerfire revolvers. Compatible K Frame Models (Centerfire): Models 10, 12, 13, 14, 15, 16, 19 Models 53, 64, 65, 66, 67 Compatible L Frame Models (Centerfire): Models 581, 586, 681, 686 Specifications: Spur Width: . 375" Manufacturing: Metal Injection Molding