Faxon Duty Series 16 inch Gunner 350 Legend barreled upper right profile

FAXON DUTY SERIES 16" GUNNER 350 LEGEND BARRELED UPPER - SUPPRESSOR READY

Faxon
SKU:
FX-URG-D350L16GA15-BU-SR
|
UPC:
810209950576
Availability:
Usually Ships Within 2 Business Days
$660.00
(No reviews yet)
Current Stock:
Description
FAXON DUTY SERIES 16 inch Gunner 350 Legend barreled upper suppressor ready

Duty Series Barreled Upper • Suppressor Ready

FAXON DUTY SERIES 16" GUNNER 350 LEGEND BARRELED UPPER - SUPPRESSOR READY

16" Gunner Profile 350 Legend Carbine-Length Gas Adj. .750 Gas Block Plan B Compatible FH 15" M-LOK Handguard Big Bore Upper Suppressor-Ready Made in Ohio

The FAXON DUTY SERIES 16" GUNNER 350 LEGEND BARRELED UPPER - SUPPRESSOR READY is built for shooters who want a practical, hard-use 350 Legend AR15 upper for hunting, range time, and modern straight-wall cartridge builds. This is a barreled upper assembly, not a complete firearm, and it gives you a strong foundation for a dependable 350 Legend setup without forcing you to piece together the critical front-end components yourself.

At the core is the Faxon Duty Series Gunner Profile 16" Carbine-Length 350 Legend AR15 Barrel, paired with the Faxon Enhanced Forged Big Bore AR15 Upper Receiver. That pairing matters. For 350 Legend shooters, host geometry, gas system behavior, and muzzle compatibility all affect how confidently the rifle runs in the field. This upper is designed to shorten the decision gap for buyers who want a ready-to-finish hunting or suppressor-host build.

To make the system truly suppressor ready, Faxon equips this upper with the Faxon Patented Adjustable .750" 3 Screw Low Profile Gas Block, a carbine-length stainless gas tube, and the Faxon MuzzLok® Stainless Steel Plan B Compatible Flash Hider 1/2x28 - 9mm Bore. That gives you a more flexible path for tuning around ammo choice, backpressure, and suppressor setup, while the 15" Faxon Streamline Aluminum M-LOK handguard provides a clean full-length grip surface and modern accessory space.

The result is a balanced upper that makes sense for deer hunters in straight-wall states, recreational shooters who want more frontal diameter than 5.56, and buyers building a practical suppressor host. Best for: deer hunting, hog hunting, range use, and 350 Legend suppressor-host builds.
Not for: buyers expecting a complete rifle or those who want a BCG and charging handle included.

Read FAQs & Compatibility Shop All AR15 Uppers

Key Features

  • Purpose-built 350 Legend upper configuration using a big bore AR15 upper receiver and a Faxon Duty Series 16" Gunner barrel.
  • Suppressor-ready ecosystem with an adjustable gas block, Plan B compatible MuzzLok® flash hider, and a configuration designed to support tuning around real-world host and ammo variables.
  • 16" Gunner profile barrel for a strong balance of handling, weight distribution, and field practicality.
  • 15" Streamline M-LOK handguard for extended support-hand placement and accessory flexibility.
  • Built for straight-wall use cases including deer hunting, hog hunting, and recreational big bore AR builds.
  • Manufactured by Faxon Firearms in Greater Cincinnati, Ohio, backed by a family manufacturing 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, a 350 Legend-compatible bolt carrier group, magazine, and a charging handle to complete your build.

What makes this upper suppressor ready?▾

This upper includes a Faxon patented adjustable .750" gas block plus a Plan B compatible MuzzLok® flash hider. That gives you a better starting point for tuning around suppressor backpressure, ammo differences, and host configuration.

What suppressor mounting setup does it use?▾

The included muzzle device is a Faxon MuzzLok® Plan B compatible flash hider with 1/2x28 threads and a 9mm bore. Always confirm suppressor mount fitment and bore clearance before firing.

What gas system length does this 350 Legend upper use?▾

This upper uses a carbine-length gas system with a stainless steel carbine gas tube and an adjustable gas block.

Who is this upper best suited for?▾

This upper is a strong fit for shooters building a deer or hog hunting AR, buyers in straight-wall cartridge states, and anyone wanting a 350 Legend suppressor host with more tuning flexibility than a basic non-adjustable setup.

Do I need a special magazine or bolt for 350 Legend?▾

Use quality components intended for 350 Legend AR15 builds. The upper does not include a bolt carrier group or magazine, so correct cartridge-specific support parts still matter for reliable function.

Is this upper 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 manufacturing experience rooted in advanced precision machining.

What warranty covers this product?▾

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:
350 LEGEND
Related Products