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Sons of Liberty Gun Works
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Sons of Liberty Gun Works
Sons of Liberty Gun Works L89 AR-15 8.5 inch .300BLK Upper Receiver Group, Medium, Midlength, 1-7, ASR, Black, U-M4L89-556-145-ASR
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Rainier Arms
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Rock River Arms
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Rock River Arms
Rock River Arms BT-3 Completed Upper Receiver, 6.5mm Creedmoor, 32in, 24in Barrel, Standard SS Fluted Profile, 1-10 Twist, 5/8x24 Thread, M-LOK Handguard, Black, 65C0578BT
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Maxim Defense Industries
Maxim Defense Industries MDX 505 PDX/SCW Compatible URG Upper Receiver, 7.62x39, Hate Brake, 5/8-24 Thread, 5.5in Barrel, Black, MXM-47833
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