Description
Ruger 91004 is a stripped AR-15 upper receiver made for assembling a complete upper. It is sold as an upper receiver only, finished in black. This component is intended to fit AR-15 pattern rifles and pistols and functions as the foundation for adding the rest of the upper parts.
- Stripped upper receiver for building an AR-15 pattern upper
- Black finish
- Upper receiver only
What it is
This is the upper receiver component, without additional upper parts included in the package details.
