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Premium Factory Component
Authentic Smith & Wesson factory components are manufactured to exact specifications with premium materials and quality control
Part Number: 3000166
OEM L Frame Model 686 Barrel
S&W J Frame Model 642-2 Airweight Mainspring Stirrup & Swivel .38 Special +P – Part# 642K jpre36u Premium Factory ComponentSmith & Wesson J Frame Model 642 2 Airweight Mainspring Stirrup & Swivel Stainless Steel Restore reliable hammer fall and trigger pull on your Model 642 2 Airweight with this factory original mainspring stirrup and swivel set. The mainspring stirrup is the U shaped yoke that connects the mainspring to the hammer, transferring spring energy into hammer movement the swivel allows the stirrup to pivot smoothly as the hammer travels through its arc. A
