FAXON INTEGRAL® SERIES 16" PENCIL BRAKE PROFILE MID-LENGTH 5.56 NATO AR15 BARREL
Faxon
$260.00
(2 reviews)
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Faxon
FAXON INTEGRAL® SERIES 16" PENCIL BRAKE PROFILE MID-LENGTH 5.56 NATO AR15 BARREL
Faxon Integral® Series 16" Pencil Brake Profile — Mid-Length 5.56 NATO (1:8 Twist)
Ultra-lightweight. Legally compliant. A 14.5" rifled Pencil barrel with integral brake — no pin & weld required.
The Faxon Integral® Series 16" Pencil Brake 5.56 NATO barrel delivers unmatched balance, precision, and simplicity for AR-15 builders. It features a 14.5" rifled section with an integrally machined 3-port muzzle brake for a legal overall length of 16", eliminating the need for pinning and welding.
With its Pencil profile and mid-length gas system, this barrel provides exceptional weight reduction and soft recoil characteristics — ideal for competition, duty, or lightweight builds. Each barrel is made in-house at Faxon’s Cincinnati, Ohio facility and backed by the Faxon Lifetime Guarantee.
Key Benefits
- Integral 3-port muzzle brake: Built into the barrel itself for perfect concentricity and superior recoil control.
- Meets 16" legal length: 14.5" rifled section with integral brake — no pin & weld required.
- Pencil profile: Faxon’s lightest contour for optimal balance and maneuverability without sacrificing accuracy.
- Mid-length gas system: Smooth, reliable cycling and reduced recoil impulse.
- 4150 CMV steel with QPQ nitride: Hard, corrosion-resistant finish for extended barrel life.
- Fully in-house manufactured: Stress relieved, air-gauge tested, MPI-inspected, and headspace verified at Faxon’s Ohio facility.
Specifications
Why Choose the Faxon Integral® Series
The Faxon Integral® Series redefines convenience and compliance. By machining the muzzle brake directly into the barrel, Faxon eliminates the need for pinning or welding — providing true modularity for your AR-15 build. Enjoy a lightweight, high-performance system that maintains perfect alignment, superior aesthetics, and unmatched precision.
Frequently Asked Questions
Is this barrel legal for rifle builds?
Yes. The overall length is 16" due to the integral brake, making it fully NFA-compliant without pinning or welding.
Can I replace or remove the muzzle brake?
No. The muzzle brake is machined into the barrel for strength and perfect concentricity.
Is this compatible with all AR-15 uppers?
Yes. It uses a standard M4 extension and fits any mil-spec AR-15 upper receiver.
Overview: Faxon Integral 16" Pencil Brake Barrel
The Faxon Integral® 16" Pencil Brake 5.56 NATO barrel is engineered for shooters who demand both minimal weight and maximum functionality. It delivers a true 16" legal overall length via an integrally machined 3-port muzzle brake, making pin and weld obsolete. Constructed from 4150 CMV steel and finished in QPQ nitride, this barrel provides corrosion resistance, accuracy, and superior handling.
Fully stress-relieved, air-gauge tested, and MPI inspected, the Integral Pencil Barrel represents Faxon’s dedication to precision manufacturing and shooter-focused innovation.
- Caliber:
- 5.56 NATO
- Barrel Profile:
- Pencil
- Barrel Material:
- 4150 CMV
- Rifling Twist Rate:
- 1:8
- Muzzle Thread:
- N/A
- Gas Block Diameter:
- .625"
- Barrel Length:
- 16"
- Outside Finish:
- QPQ Nitride
Reviews
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Pencil 16” barrel w muzzle brake
I bought two after seeing In Range TV’s WWSD series, now I’m buying two more. They’re light, groups don’t walk, and did I mention they’re light?
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FAXON 16" PENCIL PROFILE AR15 BARREL, 556 NATO W/ INTEGRAL SLIM 3 PORT BRAKE
Great barrel. Great support and fast shipping. Great company