This is a cool little ar set up. Folds up and fits in a standard sized backpack. Comes with the upper, the folding mechanism, buffer tube and fore arm brace. No BCG, charging handle or Lower reciever.
In Rexburg
https://palmettostatearmory.com/psa-7-phosphate-1-7-pistol-length-5-56-nato-marauder-sl-ar-15-upper-fde-no-bcg-or-ch.html