Partial Upper Receivers
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- Caliber 5.56 NATO Remove This Item
- Barrel Profile Non-fluted Remove This Item
- Gas System Length Carbine Remove This Item
- Mount M-LOK Remove This Item
- Price $400.00 - $499.99 Remove This Item
- Rail Length 15" Remove This Item
- Manufacturer Rainier Arms, LLC Remove This Item
- Twist Rate 1:8 Remove This Item
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