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| Caliber | 5.56 NATO |
|---|---|
| Barrel Length | 16.3 |
| Barrel Material | 4150 Chrome Moly Vanadium |
| Barrel Finish | Melonite |
| Gas System Length | Mid-Length |
| Gas Block Journal | .750" |
| Gas Port Size | .078 inches |
| Barrel Rifling | Cold Hammer Forged |
| Twist Rate | 1:7 inches |
| Thread Pitch | 1/2-28 Threaded |
| Barrel Extension | M4 |
| Weight (oz) | 26.1 oz |
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