Home / Accessory-Slides / Springfield Armory XD OSP 4″ SLIDE ASSEMBLY CTC Sale! Springfield Armory XD OSP 4″ SLIDE ASSEMBLY CTC$36900 Original price was: $36900.$35636Current price is: $35636. Out of stock SKU: XD4903 Category: Accessory-Slides Product ID: 26255 Description Description Fits Full-Size XD FrameIncludes Optics PlateCTS-1500 Red Dot Sight Related products Sale! Springfield Armory XD OSP 4″ SLIDE ASSEMBLY $27000 Original price was: $27000.$26357Current price is: $26357. Sale! Springfield Armory XD OSP 4″ SLIDE FULL ASSEMBLY $39600 Original price was: $39600.$38167Current price is: $38167.