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Will this slide set up work with original .40 cal. barrel or does it have to covert to 9mm? — 1 Answer

by Rob, from TX, United States Asked on December 4, 2022

Name Springfield Armory XD 9mm Optical Sight Pistol Plate Slide Assembly (4.8)
As Low As $269.99 Save Up to $29.01
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Answered by Ethan, Gear Expert, from IL, United States, on December 08, 2022

The Springfield Armory XD OSP 9mm Slide Assembly will not be compatible with a 40 S&W barrel. You will need to convert your handgun to use 9mm if you want to use this slide.

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Last updated 2025-11-12 UTC.