Replaces the standard Sig Sauer P365 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. 

Not compatible with the P365 XL

Three variants: 10-round, 10-round with pinky extension, 12 round

Part numbers: MT-2034, MT-2035, MT-2036