VFC Umarex H&K UMP 45 GBB A5 License: Centurion Arms® logo and Style:PDW XB The generous 80 MOA BBA2100000009751 color-mud

VFC Umarex H&K UMP 45 GBB A5 License: Centurion Arms® logo and Style:PDW XB The generous 80 MOA BBA2100000009751 color mud License: Centurion Arms® logo and related brand names are trademarks of Centurion Arms 5mm and OD12mm are sold separately) Mounted the removable CNC Brass Side Wings to slide smoothly into the outer barrel slots Included an advanced CNC Delrin Locking C Clip to hold the inner barrel tight in place without wobbling and twisting Equipped with 2 compression springs on top and center to ensure the hopup unit is seated straight and air tight during use Compatible with any 11mm inner bore HPA Engine nozzle outlets The Dual UV LED Tracer Module to glow BB in the dark ready