FAXON PINNED GAS BLOCK PENCIL PROFILE 16" MID-LENGTH 5.56 NATO AR15 BARREL
Faxon
$235.00
(4 reviews)
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Faxon
FAXON PINNED GAS BLOCK PENCIL PROFILE 16" MID-LENGTH 5.56 NATO AR15 BARREL
Faxon Pinned Gas Block — 16" Pencil Profile 5.56 NATO AR-15 Barrel (Mid-Length Gas)
Featherweight performance with a factory pre-pinned .625" gas block for unmatched reliability.
The Faxon 16" 5.56 Pencil Barrel with Pinned Gas Block delivers lightweight handling and rock-solid performance. Each barrel is pre-notched and paired with a pre-drilled, low-profile gas block that’s pinned and aligned in-house—saving you time and ensuring your gas system never shifts during use.
Crafted from 4150 CMV steel and finished inside and out with black nitride, this Pencil contour barrel offers excellent corrosion resistance, accuracy, and balance. Every Faxon barrel is stress relieved, air-gauge tested, MPI-inspected, and headspace verified for dependable performance in every environment.
Key Benefits
- Factory-pinned .625" gas block: Pre-drilled and aligned for long-term stability under recoil.
- Lightweight Pencil profile: Improves handling and reduces fatigue without sacrificing accuracy.
- Mid-length gas system: Smooth, consistent cycling and reduced wear on internal parts.
- Durable nitride finish: Corrosion-resistant inside and out for extended service life.
- Stringent QC: Stress relieved, air-gauge tested, MPI-inspected, and headspace verified in-house at Faxon Firearms.
Specifications
Included: Barrel, low-profile gas block (hand-tightened for shipping), and retaining pin.
Frequently Asked Questions
Is the gas block already pinned?
Yes. The barrel is pre-notched, and the gas block is pre-drilled and aligned at the factory. The pin and gas block are included (hand-tightened for shipping).
Why choose a Pencil profile?
The Pencil contour offers the lightest possible configuration without compromising accuracy, making it ideal for fast, maneuverable builds.
What muzzle devices fit?
Compatible with all standard 1/2x28 muzzle devices and suppressor adapters for 5.56 / .223.
Overview: 16" Pinned Gas Block Pencil 5.56 Barrel
The Faxon Pinned Gas Block 16" Pencil 5.56 Barrel provides lightweight precision and unmatched dependability. Its factory-pinned .625" gas block ensures stability, while the Pencil profile shifts the rifle’s balance rearward for faster handling. Each barrel is stress relieved, air-gauge tested, MPI-inspected, and headspace checked to Faxon’s exacting standards.
- Caliber:
- 5.56 NATO
- Barrel Profile:
- Pencil
- Barrel Material:
- 4150 CMV
- Rifling Twist Rate:
- 1:8
- Muzzle Thread:
- 1/2x28
- Gas Block Diameter:
- .625"
- Gas System Length:
- Mid
- Barrel Length:
- 16"
- Outside Finish:
- QPQ Nitride
Reviews
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Faxon 16” Pencil, 5.56 NATO, Mid-Length, 4150, Nitride w/ Pinned Gas Block AR-15 Barrel
Lightweight, accurate and well made. It is high quality for sure. I am impressed especially given the price.
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Faxon barrels
What can I say that we don’t already know. It’s a Faxon barrel. Top notch, never disappointing barrels. I only wish they made more options or maybe even some customized options.
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light weight EDC
This barrel provides excellent accuracy for medium ranges and it's light weight aids handling and carrying.
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16" pencil profile WITH pinned gas block? Yes please!
Wait wait wait...a 16" pencil profile barrel with a pinned gas block at such a great price from Faxon? Wasn't even a hesitation with how quickly these go. I picked up one, and now I HAVE to build another upper!