I had to take apart as wasn’t working to find the slider had snapped along with plastic on wheel to had split , thankfully I had these from old gearbox and was able to get firing as gears are good,was going to complain but left too long before I tested
![[5KU] KAC Style QD Silencer with Flash Hider[For M4 AEG GBB Series][CCW, -14mm]](http://www.sixmm.com/cdn/shop/products/5KU_KACStyleQDSilencerwithFlashHider_ForM4AEGGBBSeries_CCW_-14mm_1.jpg?v=1635419702&width=950)
![[5KU] KAC Style QD Silencer with Flash Hider[For M4 AEG GBB Series][CCW, -14mm]](http://www.sixmm.com/cdn/shop/products/5KU_KACStyleQDSilencerwithFlashHider_ForM4AEGGBBSeries_CCW_-14mm_2.jpg?v=1635419702&width=950)