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The Noveske Infidel is one of those barrels that has a reputation for a reason. It's a 13.7" 5.56 NATO tube cut from 416R stainless steel, running a 1:7 twist with Noveske's improved polygonal rifling. That rifling profile is a big part of the story here since it gives you a slight velocity bump and slows down throat erosion, which means your groups stay tight longer than they would with conventional rifling. Pair that with the hand-polished Noveske Match chamber and you've got a barrel that's built to print consistent, repeatable accuracy shot after shot.
The mid-length gas system is the sweet spot for a 13.7" barrel. It smooths out the recoil impulse and eases pressure on your bolt and gas components compared to a carbine-length setup, so the gun runs softer and lasts longer. Noveske includes the correct gas tube matched to the system, and the .750 low-profile gas block comes pinned to the barrel from the factory. The medium contour keeps things reasonably light without going so thin that the barrel heats up and walks under sustained fire.
The muzzle is threaded 1/2×28, so you can run a suppressor, flash hider, or brake of your choosing. Just keep in mind this barrel is designed around Noveske's own low-profile gas block, and a standard front sight base gas block won't clear it. The M4-style barrel extension with extended, hand-polished feed ramps helps keep feeding smooth and reliable when you're running the gun hard.
Every Infidel barrel is individually serialized for quality control, which tells you a bit about how Noveske approaches their work. This is a premium barrel aimed at folks building a lightweight, dependable carbine or upper who want top-tier fit, finish, and accuracy without cutting corners. It's a proven platform that's earned its spot among the best AR-15 barrels out there.
Yes. The barrel ships with the .750 low-profile gas block already pinned in place and includes the correct mid-length gas tube matched to the system. That means most of the gas system work is done for you right out of the box.
It runs a 1:7 twist with Noveske's improved polygonal rifling. The 1:7 twist stabilizes a wide range of 5.56 and .223 loads, including heavier bullets, and the polygonal rifling helps with velocity and long-term throat wear.
No. The Infidel barrel is machined around Noveske's own one-inch low-profile gas block, and a standard 1.9-inch front sight base won't fit the gas port location. Stick with the included low-profile block, which comes installed from the factory.
It's a great match for a lightweight, reliable carbine or upper build where accuracy matters. The mid-length gas system gives you a softer, smoother recoil impulse than a carbine-length setup, and the 1/2×28 threads let you add the muzzle device or suppressor of your choice.
| UPC | 840906104569 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | 07000052 |
| Barrel Length | 13.7" |
| Caliber/Gauge | .223 REM/5.56 NATO |
| Color | Silver |
| Model | |
| Product Type | Barrel |
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