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
![[Alpha Parts] Systema PTW Magazine Catch Set [TypeB][BLK]](http://www.sixmm.com/cdn/shop/files/jpg_b5b8fbab-0b72-42ac-bdcb-242d69ed8acd.jpg?v=1708063475&width=950)
![[Alpha Parts] Systema PTW Magazine Catch Set [TypeB][BLK]](http://www.sixmm.com/cdn/shop/files/123_bb0a2da9-1058-4848-ab0a-99a33c866652.jpg?v=1708063475&width=950)