AR-15 Complete Upper - 5.56/.223

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Complete Upper Receivers - 5.56 NATO

- 4150 CMV Mil-Spec Barrels
- 1:8 Twist
- Upper Reciever is made from 7075 Aluminum
- A.C.E Handrails manufactured from 6065-T Aluminum
- BCGs are MPI inspected

  • 5
    Madcow Defenses is the best

    Posted by Quint DeWitt on Apr 14th 2022

    You have arrived! These guys are the very best you can do business with. Products are shipped super fast. Emails are answered promptly. Orders are correct. They have even called me personally to make sure my orders are what I needed and that I was satisfied. Madcow is my one stop, first choice. I highly recommend them. I rate them 10 out of 5 stars

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