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Expo Arms 5.5 inch 9mm barreled upper builder kit. No bolt carrier group included. Upper is AR-15 platform compatible.
Specifications
- Manufacturer:
- Expo Arms
- Category:
- upper-receiver
- Platforms:
- AR-15
- MPN:
- KIT-XP-UP-9MM-55-NB
- Required Component:
- Yes
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