Partial Upper Receivers
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Sons of Liberty Gun Works M4-89 5.56 AR-15 Upper - 13.7"5.0 star rating 1 Review$950.00Out of stock
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- Thread Pitch 1/2x28 (.22 cal) Remove This Item
- Barrel Length 13.7" Remove This Item
- Mount M-LOK Remove This Item
- Price $0.00 - $999.99 Remove This Item
- Twist Rate 1:7 Remove This Item
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