HTC Vive Controller Stock (AR-15 Buffer Tube)

I was playing a nice round of H3 on my vive when I examined my M4 and saw that you could adjust its stock and I had a realization, what if you had a controller stock that you could put an AR stock on to have it be comfortable AND adjustable? So I came up with this design, cobbled it together in about 20 minutes and figured "Hey, that looks close enough". I know its a little rough around the edges, but I will do my best to improve it based off any feedback I get. The buffer tube itself is based o