Description Glock 21 Generation four in .45 ACP with three, thirteen round removable magazines and a 4.75″ barrel. Fully textured polymer grip on frame with interchangeable backstrap. Black finished serrated slide with Glock bucket sights. Comes in its factory hard case with matching serial number, factory paperwork, cleaning brush, four backstraps, first factory test round fired, three magazines and speed loader. Check with Local/State Laws on High Capacity Magazine BEFORE bidding. Must ship to FFL holder. Condition: Like New with light handling wear. Clean rifled bore. Barrel Length: 4.75″ Serial: VLP648 Manufacturer: Glock Caliber: .45 ACP Model: 21 Gen 4 Book# 07472