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Rosco Manufacturing K9 Rifle Barrel for AR-15 – 5.56 NATO, 16″, Intermediate Gas System (K9-16-HY-556-7-I)

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Brand Rosco Manufacturing Shop all → MFR# K9-16-HY-556-7-I UPC 850039693298
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Rosco Manufacturing K9 Rifle Barrel for AR-15 – 5.56 NATO, 16″, Intermediate Gas System (K9-16-HY-556-7-I)

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Why customers choose this item

  • Rifle barrel 5.56 NATO
  • 16 inch barrel length
  • Intermediate gas system
  • Fits AR-15 platform rifles
  • Melonite finish barrel
  • K9 series barrel model

Product highlights

  • AR-15 rifle barrel chambered in 5.56NATO supports suppressed and unsuppressed operation
  • 16 inch barrel with intermediate gas system and optimized gas port for reliable cycling
  • Melonite finish provides corrosion resistance and wear durability in demanding shooting conditions
  • Continuous taper profile improves heat dissipation during sustained firing and hard use
  • Weight shifted toward rear improves balance with modern muzzle attachments for handling
  • Updated target crown design enhances barrel harmonics fit and finish quality

Product description

The Rosco Manufacturing K9 556NATO 16″ Barrel is a rifle barrel designed for AR-15 platform use. This Rosco Manufacturing rifle barrel features a 16 inch length, intermediate gas system, and Melonite black finish. It is designed to fit AR-15 rifles and supports standard 5.56 NATO ammunition in typical configurations.

The Rosco Manufacturing K9 rifle barrel includes an intermediate length gas system and an optimized gas port configuration. The continuous taper profile distributes weight toward the rear of the barrel for balanced handling. The updated target crown design is carried from the Purebred series. This product is used for AR-15 barrel replacement or assembly builds. In standard configurations, the nitride finish provides surface protection, and the barrel is suitable for suppressed or unsuppressed setups as specified.

Specifications

Brand
Rosco Manufacturing
Model / Series
K9-16-HY-556-7-I
MPN (Manufacturer Part #)
K9-16-HY-556-7-I
UPC
850039693298
Item Type (leaf)
Rifle Barrel
Pack Quantity
1
Primary Use / Application
Suppressed/Unsup AR
Platform Compatibility
AR-15
Caliber / Gauge
5.56 NATO
Length
16 in
Gas System
Intermediate
Finish / Coating
Melonite
Subcategory
Rifle Barrels

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Rosco Manufacturing K9 Rifle Barrel for AR-15 – 5.56 NATO, 16", Intermediate Gas System (K9-16-HY-556-7-I)
Rosco Manufacturing K9 Rifle Barrel for AR-15 – 5.56 NATO, 16", Intermediate Gas System (K9-16-HY-556-7-I)
Rosco Manufacturing Purebred Rifle Barrel for AR-15 – .223 Wylde, 20", Rifle Length Gas System (PB-20-SPR-223W-7-R)
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Magnum Research 22 LR Rifle Barrel for Ruger 10/22 Takedown – 16.5in, Threaded 1/2x28, Carbon Fiber (RTBAR16GT)
Magnum Research 22 LR Rifle Barrel for Ruger 10/22 Takedown – 16.5in, Threaded 1/2x28, Carbon Fiber (RTBAR16GT)
Price$210.87$226.68$310.44
Primary Use / ApplicationSuppressed/Unsup ARLong rangeRifle Upgrade
Material—416R SteelCarbon Fiber
Finish / CoatingMeloniteBead BlastBlack
Caliber / Gauge5.56 NATO.223 Wylde.22 LR
Length16 In20 In16.5 In
Thread Pitch—1/2X281/2X28

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