This is a Bulldog Cases Hip Holster known as the Rapid Release, model RR-G19.
The Rapid Release Holster with Paddle is made of durable" high-tech polymer materials with gun specific design and is fully adjustable to multiple draw positions. The specially designed locking mechanism provides safe and secure Level II retention with one finger quick draw release.
Features:
Fits Glock 19/23/32 Gen 1-4
Right handed