This GGP Slide Completion Kit includes nearly all of the internal small parts needed to complete your slide assembly. Our kit is compatible with 9mm GGP320 Full-size and Compact slides as well as SIG OEM 320 Full-Size, Compact and Carry slides. P320 STRIKER ASSEMBLY EXTRACTOR EXTRACTOR PIN EXTRACTOR SPRING EXTRACTOR PIN PLUS BACK PLATE "SIG" and "P320" are federally registered trademarks of Sig Sauer, Inc. and are two of many trademarks owned by Sig Sauer, Inc. Grey Ghost Precision is not affiliate with nor endorsed by Sig Sauer, Inc. Mfg: Grey Ghost Precision