This kit includes all of the parts to completely assemble a bare 40S&W slide (with the exception of barrel, recoil spring assembly and sights).
Kit includes the following:
LWD-84 - Firing Pin Safety (9/40/357/10)
LWD-3439 - Spring Load Bearing LCI 40S&W, .357SIG, & 45GAP
LWD-91 - Firing Pin Safety Spring
LWD-49 - Firing Pin (9/40/357)
LWD-119 - Extractor Depressor Plunger Spring
LWD-1148 - Channel Liner (all models)
LWD-56 - Spacer Sleeve
LWD-63-4 - Firing Pin Spring Mid-Weight
LWD-1899 - Extractor LCI 40S&W / .357SIG
LWD-70M - Firing Pin Spring Cup - Marine
LWD-SCP7-BLACK - Unlined Slide Cover Plate - Black
LWD-112 - Extractor Depressor Plunger 9/40/357/45GAP