So what started as a Boyd’s AR stock for the mrod pistol turned into a adjustable monopod skeleton stock. Boyds was way too much weight and did not really tighten up with the adapter. Took out the buffer tube and attached a monopod for the RTI Prophet. The 3D printing split a little ( screw diameter was larger than I measured, oops). JB Weld to the rescue! Piped the epoxy in like a pastry bag to fill in all spaces and areas. Finished off the joint with Sugru moldable glue.