Faxon ION Series 16 inch threaded pencil 5.56 barreled upper suppressor ready right profile

FAXON ION SERIES 16" THREADED PENCIL 5.56 BARRELED UPPER - SUPPRESSOR READY

Faxon
SKU:
FX-URG-LW55616PCF15-BU-SR
|
UPC:
810209950835
Availability:
Usually Ships Within 2 Business Days
$848.00
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Description
FAXON ION SERIES 16 inch threaded pencil 5.56 barreled upper suppressor ready

ION Series Barreled Upper • Suppressor Ready

FAXON ION SERIES 16" THREADED PENCIL 5.56 BARRELED UPPER - SUPPRESSOR READY

16" Pencil Profile 5.56 NATO Mid-Length Gas Adj. .625 Gas Block Plan B Compatible FH 15" Carbon Fiber HG Lightweight Build Suppressor-Ready Made in Ohio

The Faxon ION Series 16" Threaded Pencil 5.56 Barreled Upper - Suppressor Ready is built for shooters who want a lighter, faster-handling 5.56 AR15 upper without giving up the parts and tuning features that matter in real-world use. This is a barreled upper assembly, not a complete firearm, and it gives you a strong foundation for a lightweight field rifle, training carbine, or modern suppressor host.

At the core is the Faxon Duty Series Pencil Profile 16" Mid-Length 5.56 NATO AR15 Barrel, paired with the Faxon Enhanced Forged AR15 Upper Receiver. That barrel choice matters. A 16" pencil-profile 5.56 upper gives buyers a lighter front end and faster handling, while the mid-length gas system helps keep the rifle balanced and practical across range work, training, and general-purpose use.

This upper is configured as a suppressor-ready ecosystem, not just a single SKU. It includes the Faxon Patented Adjustable .625" 3 Screw Low Profile Gas Block, a mid-length stainless gas tube, and the Faxon MuzzLok® Stainless Steel Plan B Compatible Flash Hider 1/2x28 - .250" Bore. That combination gives you a better starting point for tuning around suppressor backpressure, ammo selection, and host setup.

What sets this ION configuration apart is the Faxon Streamline Carbon Fiber M-LOK 15" AR15 Handguard, which helps keep overall system weight down while preserving a full-length support-hand position and modern accessory space. For buyers deciding between a basic 5.56 upper and a more premium lightweight suppressor-ready option, this build closes that gap cleanly.

Best for: lightweight general-purpose rifles, training carbines, modern suppressor hosts, and shooters who want a lighter 16" 5.56 upper with carbon fiber and adjustable gas.
Not for: buyers expecting a complete firearm or those who do not plan to source a bolt carrier group and charging handle separately.

Read FAQs & Compatibility Shop All AR15 Uppers

Key Features

  • Lightweight ION-series configuration built around a pencil-profile 16" 5.56 barrel and a 15" carbon fiber M-LOK handguard.
  • Suppressor-ready foundation with an adjustable .625 gas block and Plan B-compatible muzzle setup for tuning around ammo and backpressure.
  • Mid-length gas system for a refined 16" 5.56 configuration with practical real-world balance.
  • Carbon fiber handguard helps reduce front-end weight while keeping the upper fast-handling and responsive.
  • Strong fit for common 5.56 use cases including training, general-purpose rifles, and lightweight field setups.
  • Manufactured by Faxon Firearms in Greater Cincinnati, Ohio—backed by a family machining heritage dating to 1978.

Bill of Materials (BOM)

Keep Building

Warranty

All Faxon Firearms products are backed by our Limited Lifetime Warranty.
For full warranty terms, service instructions, and exclusions, please visit:
https://faxonfirearms.com/warranty-privacy-terms/

FAQs

Is this a complete firearm? ▾

No. This is a barreled upper assembly. You will still need a compatible AR15 lower receiver, bolt carrier group, charging handle, and the rest of your lower components to complete the rifle.

What makes this upper suppressor ready? ▾

This upper includes a Faxon patented adjustable .625" gas block and a Plan B-compatible MuzzLok® flash hider, giving you a better starting point for tuning around suppressor backpressure, ammo variation, and host setup.

What gas system length does this upper use? ▾

This upper uses a mid-length gas system with a stainless mid-length gas tube and an adjustable .625" gas block.

What muzzle threads and suppressor mount path does it use? ▾

The included muzzle device uses 1/2x28 threads and is configured with a Plan B-compatible flash hider with a .250" bore. Always verify suppressor mount fitment and bore clearance before firing.

Why choose this upper over a heavier 16" build? ▾

This upper is designed for buyers who want a lighter, faster-handling 16" 5.56 rifle. The pencil-profile barrel and carbon fiber handguard help reduce front-end weight while still keeping the upper practical for training, field carry, and general-purpose use.

Who is this upper best suited for? ▾

This is a strong fit for shooters building a lightweight AR15, a modern suppressor host, or a practical general-purpose 5.56 rifle with premium weight-saving components.

Is this product made in the USA? ▾

Faxon Firearms is a family-owned American manufacturer headquartered in Greater Cincinnati, Ohio. This upper is built around Faxon components and in-house manufacturing experience rooted in advanced precision machining.

What warranty covers this barreled upper? ▾

All Faxon Firearms products are backed by our Limited Lifetime Warranty.
For full warranty terms, service instructions, and exclusions, please visit:
https://faxonfirearms.com/warranty-privacy-terms/

Warranty
All Faxon Firearms products are backed by our Limited Lifetime Warranty. For full warranty terms, service instructions, and exclusions, please visit: https://faxonfirearms.com/warranty-privacy-terms/
Additional Information
Caliber:
5.56 NATO
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