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 #html-body [data-pb-style="62DF82896FB41"]{justify-content: flex-start; display: flex; flex-direction: column; background-position: left top; background-size: cover; background-repeat: no-repeat; background-attachment: scroll; border-style: none; border-width: 1px; border-radius: 0px; margin: 0px 0px 10px; padding: 10px;}#html-body [data-pb-style="62DF82896FB4E"]{border-style: none; border-width: 1px; border-radius: 0px; margin: 0px; padding: 0px;}