Here are a few of the Rapidstrike mods I have done over time. All the black ones were sold on Etsy. The unpainted one is my trusted HvZ primary.
These first few are back when I used Trustfire batteries. Live and learn.
A while later I saw Coops Rapidstrike Uziand had to do one of my own. At this point I had switched to Efest IMR batteries.
Then I did a sort of hybrid - an Uzi with the detachable stock.
Here are some pics of the ULTIMATE Rapidstrike that sold on Ebay.