This is a Versacarry Belt Slide Holster known as the Quick Slide, model 42311.
Rapid Slide S3 will adjust to fit about any handgun on the market" but the ambidextrous Rapid Slide S3 has an adjustable draw tension" and the versatility to be worn for either inside or outside the waistband carry. When they say this is the last holster you will ever need" they mean it.
Features:
Adjusts to fit almost any handgun
Distressed Brown Water Buffalo Leather
Tuckable, Magazine Release Protection