This Leather Holster is the exact same holster as the Series 450 only now with a locking feature. The locking feature is a Kydex insert around the trigger guard that acts just like a Kydex Holster and locks your gun into place. this also has a retention adjustment screw giving you the ability to decide how much retention you need.
If you like leather holsters but desire the retention of a Kydex holster, now you can have it! The comfort and beauty of a leather holster with the retention of a kydex holster.