Partial Upper Receivers
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- Thread Pitch 1/2x28 (.22 cal) Remove This Item
- Caliber 5.56 NATO Remove This Item
- Barrel Length 10.5" Remove This Item
- Gas System Length Mid Remove This Item
- Price $400.00 - $409.99 Remove This Item
- Rail Length 9.5" Remove This Item
- Manufacturer Rainier Arms, LLC Remove This Item
- Twist Rate 1:8 Remove This Item
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