Smith & Wesson Model 457D Mainspring & Plunger Spring, Used - Part# 457D16 k15-5u Bolt assemblies are frame-specific and

Bolt assemblies are frame-specific and not interchangeable between J

A: The 16 LB spring provides slightly more power than factory

0 Trigger Bar Assembly

Steel & Plastic

Smith & Wesson Model 457D Mainspring & Plunger Spring, Used - Part# 457D16 k15-5u Bolt assemblies are frame-specific andSmith & 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