First Look: Springfield Armory XD OSP Slide Assembly Kits

Turn your standard XD into an optics-ready pistol with these new assemblies.

posted on July 25, 2022
Xd 4 Osp Slide Assembly

Springfield Armory is releasing the new XD OSP (Optical Sight Pistol) Slide Kit and Assembly options for the original XD line of full-size pistols. The 4" 9mm kit and assemblies provide original XD owners with the ability to add a red dot that is found in the OSP lineup as well as the ability to convert certain XD models to a full-size 4" 9mm configuration. Each slide kit includes cover plates that are cut to accept XD-M OSP optics mounting plates which are available for a wide range of popular optics.

“With these new XD 4" 9mm OSP Slide Kit and Slide Assembly conversion systems, Springfield Armory is providing owners of this rugged and proven pistol a means to update their handgun for the use of modern red dot optics,” says Steve Kramer, Vice President of Marketing for Springfield Armory. “In addition, the XD OSP Slide Assembly option allows you to convert other full-size 9mm and .40-cal. variants of the XD into the 4”-barreled 9mm configuration with optics capabilities.”

Let’s begin with the XD OSP Slide Kit, which provides shooters with a complete OSP-cut, full-size XD slide assembly including a recoil spring assembly, barrel and optics mounting plate built to  the Springfield Micro footprint. This plate accepts optics such as the Shield SMSc and allows for co-witnessing with the iron sights. This kit has an $396 and allows you to convert several XD variants to a full-size 4" 9mm configuration as well as add a red dot optic. The kit converts the following pistols to these configurations:

  • XD 5" 9mm to XD 4" OSP 9mm
  • XD 4".40 to XD 4" OSP 9mm (with purchase of 9mm magazine)
  • XD 5".40 to XD 4" OSP 9mm (with purchase of 9mm magazine)

Also available is the XD OSP Slide Assembly which includes an OSP-cut slide assembly for an XD 4" 9mm pistol as well as a Springfield Micro footprint optics-mounting plate. It is designed to convert an XD 4" 9mm to an XD 4" 9mm OSP, while still using the original pistol’s barrel and recoil spring system. With this kit, you can easily swap out the slide on your 4" 9mm pistol in order to use red dot on your pistol. MSRP for the XD OSP Slide Assembly is $270, and it is also available packaged with a Crimson Trace CTS-1500 red dot optic and optic mounting plate. MSRP for that package, with the red dot included, is $369.

For more information on the full line of XD 4" 9mm OSP Slide Kit and Slide Assembly conversion kits and to see other products from Springfield Armory, please visit


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