Yea i made them removable with chicago screws and snaps, so easy to switch back and forth between HWT and TK but i dont have the clips for the thermal detonator yet, i used my first thermal for the pack's motar, and got a 2nd one to clip on later , but havent got the clips yet, but i do plan to is it req?, and i have a hasboro e11, but its only painted black, i havent done the kit mod yet, is it acceptable with out the full mod?