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This Ballistic Advantage 5.56 chambered 20 inch Government Profile Rifle Length Modern Series Barrel is machined from 4150 Chrome Moly Vanadium steel with a QPQ Corrosion Resistant Finish and QPQ coated M4 feed ramp extension.
|Material||4150 Chrome Moly Vanadium|
|Finish||QPQ Corrosion Resistant|
|Gas System Length||Rifle-Length|
|Gas Block Journal||.750"|
|Twist Rate||1:7 inches|
|Other Info||Modern Series|