OA-15C Billet Upper Receiver


13 in stock


  • Made in USA
  • Removable Shell Deflector included
  • No forward assist
  • No ejection port cover
  • Enlarged Ejection Port for Big Bore calibers such as .450 Bushmaster, .458 SOCOM, .50 Beowulf, etc.
  • Will work with any standard AR-15 lower
  • Will work with any standard AR-15 barrel
  • Billet 7075 T6 Aluminum Alloy
  • Black hard coat anodized (MIL-A-8625 Type III Class 2)
  • 9.1 oz

13 in stock

SKU: OA-15C-UR-BLK Category:


The Obsidian Arms OA-15C Billet Upper Receiver is engineered to look as good as it performs. Machined from 7075 T6 Aluminum Billet for a stronger, better fitting, more unique looking receiver.

You may also like…

Go to Top