Replaces the standard H&K USP Compact 9mm magazine floor plate with a rail adapter so you can attach the MantisX to your firearm if it doesn't have an existing rail, or if you want to work with holster draws.
Replaces the standard H&K USP Compact 9mm magazine floor plate with a rail adapter so you can attach the MantisX to your firearm if it doesn't have an existing rail, or if you want to work with holster draws.