Complete upper fully assembled and ready to install on an AR-15/M16/M4 lower receiver Every component is carefully manufactured, finished, and tested to meet or exceed current military specifications to produces a reliable, smooth-functioning rifle... more
Spike's Tactical has their 9mm Upper Receiver available for your next build! The same 9mm Upper Receiver Spike's uses in their own builds, you can pick and choose the rest of your items for a more customized build. Weighing in at 7.5oz and a black... more
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