I have two stripped stinger lower receivers with lower parts internal kit (no stock, buffer, buffer tube, or buffer spring. The lowers, and the lower parts kits are brand new, I'm asking 150 each + 5 shipping. I will install the lower parts set for an extra $10, if you want me to. email me at email@example.com. I found these in the back of my safe, and I just want to move them.