SKU: 34224785
SIG factory Firing Pin Positioning Pin for early P229 .40S&W and P229 .357SIG models thru serial number "AE".SKU: 34224783
SIG factory Firing Pin Positioning Pin for P220, P226, P229 .40S&W, P229 .357SIG, P239 .40S&W and P239 .357SIG stainless steel slide models.SKU: 34224784
SIG factory Firing Pin Positioning Pin for later P229 9mm (serial number "AF" and later), P239 9mm, SP2022 9mm, SP2022 .40S&W and SP2022 .357SIG models.SKU: 34221650
SIG factory Inner Roll Pin for all carbon steel slide models. Either style pin (both pictured) is current factory assignment to #34221650.SKU: 34221600
SIG factory Outer Roll Pin for all carbon steel slide models. Either style pin (both pictured) is current factory assignment to #34221600.