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] Aluminium Compensator [Tokyo Marui G17 GBB Series] +13mm Threaded Barrel Black[BLK]](http://www.sixmm.com/cdn/shop/products/5KU_AluminiumCompensatorfTM17_13mmThreadedBarrelBlack_BLK_2.jpg?v=1641299538&width=950)
![[5KU] Aluminium Compensator [Tokyo Marui G17 GBB Series] +13mm Threaded Barrel Black[BLK]](http://www.sixmm.com/cdn/shop/products/5KU_AluminiumCompensatorfTM17_13mmThreadedBarrelBlack_BLK_3.jpg?v=1641299538&width=950)