*Threaded*This BCA complete Glock 17 slide has a stainless steel finish, standard sights, with a BCA G17 barrel in a black nitirde finish, and chambered in 9MM. This slide is perfect for your 80% build or if you want to replace your current slide G22/G31 with a 9mm replacement slide.This complete BCA Glock slide, like all BCA products, is subjected to numerous QA/QC checks which for our firearms and complete upper assemblies includes test firing prior to approval and shipment.Choose an slide designed by a US company and made in the USA. Choose Bear Creek Arsenal.*Note - We strive to provide the most accurate photographs of our products.*