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FAXON DUTY SERIES GUNNER PROFILE 20" CARBINE-LENGTH 350 LEGEND AR15 BARREL
Faxon
$235.00
(4 reviews)
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Faxon
FAXON DUTY SERIES GUNNER PROFILE 20" CARBINE-LENGTH 350 LEGEND AR15 BARREL
Faxon Duty Series — 20" Gunner Profile 350 Legend AR Barrel
4150 CMV Steel • Gunner Profile • 1:16 Twist • Nitride Finish • 1/2x28 Threads • Carbine-Length Gas System
The Faxon Duty Series 20" 350 Legend AR Barrel brings exceptional balance, accuracy, and performance to one of the most popular straight-wall cartridges for modern sporting rifles. The Gunner profile blends the strength of the Gov’t profile with the agility of the Pencil profile, making it ideal for hunting or extended range sessions.
Each barrel is manufactured in-house in Cincinnati, Ohio using 4150 CMV steel, then fully stress relieved, air-gauge tested, and Nitride treated inside and out to ensure premium accuracy and corrosion resistance.
The 11° target crown and precision headspacing with PTG gauges guarantee Faxon’s renowned reliability and accuracy.
Key Benefits
- Optimized for 350 Legend: Perfect for hunting and straight-wall states.
- Gunner Profile: The perfect blend of durability and light weight.
- 4150 CMV Steel: Military-grade material for exceptional barrel life.
- Nitride Finish: Deep corrosion resistance and enhanced barrel longevity.
- Carbine-Length Gas: Reliable cycling and excellent recoil management.
- Precision QC: Stress relieved, air-gauge tested, and headspace verified for consistent performance.
Specifications
Frequently Asked Questions
Is this barrel compatible with standard AR-15 upper receivers?
Yes. It’s designed to fit standard AR-15 upper receivers chambered for .350 Legend builds.
What muzzle devices can I use with this barrel?
Any .350 Legend-compatible muzzle device with 1/2x28 threads will fit properly.
Is this barrel good for hunting in straight-wall cartridge states?
Yes. The .350 Legend is legal for hunting in many states that allow only straight-wall cartridges.
Overview: 20" Duty Series Gunner Profile .350 Legend Barrel
The Faxon Duty Series 20" 350 Legend Gunner Barrel provides hunters and shooters with an ideal balance of accuracy and maneuverability for straight-wall cartridge applications. The Gunner profile keeps your rifle light without sacrificing strength or precision.
Built from 4150 CMV steel, Nitride treated inside and out, and fully stress relieved, this barrel ensures long-lasting performance and accuracy in the field or at the range.
- Barrel Material:
- 4150 CMV
- Barrel Type:
- Button Rifled
- Caliber:
- 350 Legend
- Barrel Length:
- 20"
- Barrel Twist:
- 1:16
- Barrel Profile:
- Gunner
- Barrel Gas System:
- Carbine
- Outside Finish:
- QPQ Nitride
- Muzzle Thread:
- 1/2x28
- Gas Block Diameter:
- .750"
- Gas Block Journal Length:
- 1.9"
- Barrel Extension:
- Big Bore
- Barrel Weight:
- 1.61 lbs
- Crown Type:
- Recessed 11-degree Target Crown
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Reviews
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Barrel
I have gone through almost every brand there is as a Professional Gunsmith when it comes to AR barrels. So When I pick one for my personal firearms it has to meet certain criteria. Meanwhile FAXON does that and Doesn't break the bank at the same time. That is why I own over 12 of their barrels for my own use.
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350 Legend 20" barrel - follow up
Follow up on my first review. Shot the Faxon 20" 350 legend barrel with aero XL upper and Faxon 5.56 BCG and the rounds fed perfectly. Only complaints are the 16" and 20" 350 legend barrels get sold out fast.
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350 Legend 20" barrel
Shipping was fast and I am suprised how light this 20" barrel is. I wanted a 350 legend 20" barrel for hunting in Ohio that allows only straight wall cartridges. I have matched the barrel with Aero XL upper receiver and fit wasn't tight but it wasn't loose either. Haven't shot a round through the barrel yet so I am not sure if I will have feeding issues but I have noticed on my other 350 Legend rifle that Lancer 350 Legend magazines improved feed performance as the lip is cut lower on the magazine.
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Right Length & Profile for Hunting & Recreational Shooting
I wanted the 20" barrel to keep the velocity up on the the 350 Legend and to match the ballistics printed on the cartridge boxes. I was able to sight-in at 100 yards quickly and keep groups around 1 1/2". The barrel profile keeps the gun light. I have experienced feeding issues common to this cartridge. I think it would help to use this barrel on a receiver that doesn't have feed ramps, but I'm having a hard time finding one. Otherwise I'm very happy with this barrel.