OUT OF STOCK.
OUT OF STOCK.
OUT OF STOCK.
OUT OF STOCK.
This isn't: http://www.del-ton.com/Del_Ton_Lower_Receiver_p/lr100.ht
Nor is this: http://www.midwayusa.com/product/138383/dpms-upper-receiver-stripped-ar-15-low-profile-flat-top-matte
They have this, too: http://www.midwayusa.com/product/559023/dpms-ap4-barrel-ar-15-556x45mm-nato-m4-contour-1-in-9-twist-16-chrome-moly-matte-with-front-sight-base-pre-ban
It's out there, just have to look.