Juan,This rifle has a 16" 4140 Chrome-Moly Free Float Barrel with 1:8 Twist Rate
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Anonymous
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it has a 1:8 right hand twist rate see ******Model: DB15EMLB (Elite Black) Caliber: 5.56 NATO/ .223 Remington Finish: Black Anodized Hardcoat Barrel: Diamondback Barrels 16â€, Carbine-Length, Medium, 4150 CrMov, Black Nitride Finish Twist Rate: 1:8 RH Gas