Hi Phillip, the only difference between US and Austria Glocks is the Country of manufacture stamping on the pistol. This model Glock is the "Ported Slide/Barrel" Model that Glock calls "Compensated as pictured here : google.com/search?q=Gen4+Glock+19C+Compensated+9mm+4+Inch+Barrel&source=lnms&tbm=isch&sa=X&ved=0ahUKEwjB7Lv48YHbAhUDc98KHZzlBroQ_AUICygC&biw=1280&bih=618#imgrc=bVOkV1tXAxiQSM:

he only difference between US and Austria Glocks is the Country of manufacture stamping on the pistol. This model Glock is the "Ported Slide/Barrel" Model that Glock calls "Compensated as pictured here : google.com/search?q=Gen4+Glock+19C+Compensated+9mm+4+Inch+Barrel&source=lnms&tbm=isch&sa=X&ved=0ahUKEwjB7Lv48YHbAhUDc98KHZzlBroQ_AUICygC&biw=1280&bih=618#imgrc=bVOkV1tXAxiQSM:

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the only difference between US and Austria Glocks is the Country of manufacture stamping on the pistol. This model Glock is the "Ported Slide/Barrel" Model that Glock calls "Compensated as pictured here : google.com/search?q=Gen4+Glock+19C+Compensated+9mm+4+Inch+Barrel&source=lnms&tbm=isch&sa=X&ved=0ahUKEwjB7Lv48YHbAhUDc98KHZzlBroQ_AUICygC&biw=1280&bih=618#imgrc=bVOkV1tXAxiQSM:

Hi Phillip, Yes this comes with the "Compensator". The only difference between US and Austria Glocks is the Country of manufacture stamping.