- This Unit Replaces The Magazine Base Plate On The Sig P365 (10 Round Magazines) 9mm And .380. This Extension Does Not Alter The Capacity Of The Magazine.
- It Adds Approximately 5/8" Inch Additional Gripping Surface (1/4" Longer Than Factory Extension) As Well As Enhanced Ergonomics. The Enhanced Griping Surface Also Incorporates A Texture Which Closely Matches The Frame Of The Firearm.