Tokyo Marui PX4 owners may just want to check this holster available at Wolf Armouries as it's on stock and priced at £79.99... "Tek Lok is a secure, innovative and versatile latching attachment system. It has been contoured to better fit the profile of the body and to eliminate hot spots. The Tek-Lok is held in place by two robust retaining tabs. A user friendly, integrated secondary locking system was also built into the newly redesigned Tek-Lok.