Receiver Parts
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Rainier Arms RUC DI 300BLK Partial Upper Receiver - 10.7"Special Price $400.00 Regular Price $500.00Out of stock
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- Gas Block Diameter .750" Remove This Item
- Threaded Yes Remove This Item
- Thread Pitch 5/8x24 (.30 cal) Remove This Item
- Caliber 300 Blackout Remove This Item
- Barrel Length 10.7" Remove This Item
- Mount M-LOK Remove This Item
- Rail Length 9.5" Remove This Item
- Twist Rate 1:7 Remove This Item
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