- M4 Upper Receiver Complete
- Factory Internals included
- Great for multiple loadouts
- All Aluminum
The M4 Upper Receiver Complete – makes it easy to change your loadout. This receiver comes completely assembled with all factory internals. Simply add your barrel, stock and lower.
1 Review Hide Reviews Show Reviews
-
Tippmann upper
Got product as ordered. Only store that had version 1 upper in stock sinced it was discontinued.