These are Magpul's Compact EHG (Enhanced Grip Module) RG9 for the Ruger RXM.
This grip module paired with an RXM Fire Control Insert creates a lower that will accept Gen3 Glock 19 or Ruger RXM slides.
The grip module features Magpul's TSP Texturing all around, a flared magwell, and comes with the magazine catch preinstalled. This grip is comparable to the Glock 19 in length. They are available in Stealth Grey (the stock grip option from Ruger), Black, Flat Dark Earth, and Olive Green.
Please Note: This grip module is only compatible with the Ruger RXM FCI. This grip module will not accept a Glock Factory trigger housing.
These parts come assembled with the grip module:
-Magazine Catch
-Magazine Catch Spring
-Slide Lock Spring
-Takedown Pin Spring