Smith & Wesson Model 457D Mainspring & Plunger Spring, Used - Part# 457D16 k15-5u The thumb piece is the

The thumb piece is the external control that operates the cylinder latch on Smith & Wesson hand ejector revolvers

0 Trigger Bar Assembly

MIM Construction: Modern manufacturing process delivers consistent quality and durability

Model 642 -

500" (1/2 inch) - Old Style Target configuration

Smith & Wesson Model 457D Mainspring & Plunger Spring, Used - Part# 457D16 k15-5u The thumb piece is theSmith & Wesson Model 457D Mainspring & Plunger Spring Keep your S&W compact . 45 ACP pistol running reliably with this original factory mainspring and plunger spring set. These are the critical fire control springs that drive the hammer and maintain consistent trigger function essential for any rebuild, repair, or preventive maintenance on your 3rd generation compact. Part Number: 457D16 Condition: Used, factory original Fits: Smith & Wesson Model