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Bought this and never ended up using it. Details of the barrel:
$100 FTF in the Gateway/Parkrose are of NE Portland.
- Chamber: 5.56NATO
- Profile: M4
- Fluted: No
- Barrel Length: 10.5"
- Twist Rate: 1:7
- Gas System: Carbine-Length
- Diameter at Gas Port: 0.750"
- Thread Pitch: <broken link removed>
- Feed Ramps: M4
- Material: 4150 Chrome Moly Vanadium Steel
- Finish: Melonite
- Process: Button Rifled
- Barrel Lining: Melonite
- Barrel Extension: A4
- Assembly: Stripped
- Weight: 1lb 3oz
$100 FTF in the Gateway/Parkrose are of NE Portland.