5.56 NATO Chamber
4150 CrMoV (Chrome Moly Vanadium per MIL-B-11595E)
1/7 Twist Six Groove
1/2-28 Threaded Muzzle
.750″ Gas Block Journal
19 Ounces
QPQ Corrosion Resistant Finish
QPQ coated M4 Feed Ramp
| Weight | 1 lbs |
|---|
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