Home / Products / Black Rifle Depot / Rosco Manufacturing K9 11.5" 5.56 Hybrid 1:7 Twist Black Nitride Patrol Barrel
Rosco Manufacturing K9 11.5" 5.56 Hybrid 1:7 Twist Black Nitride Patrol Barrel
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$166.95
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$166.95
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Updated
Mar 20, 2026
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Specifications
Brand
MPN
K9-115-HY-DUFFY-556-7-PT
Description
Rosco Manufacturing K9 11.5" 5.56 Hybrid 1:7 Twist Black Nitride Patrol BarrelThe K9 11.5 offers a proprietary patrol-length gas system that is smoother than carbine-length and more reliable than mid-length. It features an optimized gas port that runs reliably suppressed and/or unsuppressed. The K9 continuous taper is the most effective profile for dissipating heat from hard use. With the weight shifted to the back of the barrel, modern attachments on the front create a perfectly balanced and better-handling rifle. Updated target crown carried over from the Purebred series with improved harmonics, fit, and finish. We recommend a minimum handguard length of 10 with this barrel.NOTE: Includes patrol length gas tubeSpecifications Barrel Length: 11.5" Barrel Weight: 25.47 oz Barrel Material: 416R Barrel Caliber: 5.56 Barrel Profile: Continuous Twist: 1:7 Barrel Thread: 1/2x28 Barrel Gas Block Size: 0.750 Gas System Length: Patrol Barrel Crown: 11 Degree Barrel Finish: Nitride Barrel Extension Finish: Nitride
