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FAXON DUTY SERIES 16" SOCOM 5.56 COMPLETE UPPER - SUPPRESSOR READY
Faxon
$866.00
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Faxon
FAXON DUTY SERIES 16" SOCOM 5.56 COMPLETE UPPER - SUPPRESSOR READY
FAXON DUTY SERIES 16" SOCOM 5.56 COMPLETE UPPER - SUPPRESSOR READY
Turnkey suppressed performance — heavy SOCOM contour barrel for outstanding heat control and sustained accuracy, mid-length gas system for smooth cycling, 1:8 twist, MuzzLok® Plan B flash hider for repeatable timing and fast HUB-mount suppressor attachment, superfinished nitride BCG, and mil-spec charging handle — ready to drop onto your lower. Made in Greater Cincinnati, Ohio.
5.56 NATO • Duty/Tactical 16" SOCOM Profile Duty Series 4150 CMV Black Nitride QPQ 1:8 Twist Mid-Length Gas MuzzLok® Plan B Suppressor Ready Complete w/ BCG & CH Made in Ohio, USA
What it is
The Faxon Duty Series 16" SOCOM 5.56 Complete Upper - Suppressor Ready is a fully assembled, drop-in ready upper optimized for tactical, duty, training, and suppressed applications. The heavy SOCOM profile adds forward mass to tame heat, reduce mirage, and maintain tight groups during rapid or sustained fire — exactly what you need when running a can for extended sessions.
Core is Faxon’s in-house button-rifled Duty Series 4150 CrMoV barrel (1:8 twist, stress-relieved, MPI-inspected, black nitride finish) with mid-length gas system for smoother recoil and better suppressor performance. It ships with Faxon’s premium MuzzLok® Plan B flash hider (1/2×28, .250" bore, stainless nitride) for effective flash hiding, precise repeatable timing (no shims), and direct HUB-mount suppressor compatibility. Includes superfinished nitride M16 BCG and mil-spec charging handle — ready to mount to your lower and go.
Rugged, accurate, and suppressor-optimized — the complete upper solution for shooters who demand duty-grade performance with seamless can integration.
Who it’s for / not for
- Best for: Suppressed duty/tactical rifles, high-volume training, defensive/home-defense builds, quick AR-15 projects needing suppressor compatibility and consistent POI.
- Good match: Mil-spec AR-15 lowers, HUB/Plan B suppressors (Faxon HARMONIX®/CORESYNC® etc.), magnified or red-dot optics.
- Not ideal for: Ultralight competition/hunting (consider Gunner series), non-suppressed minimalist builds, or carbine-gas preference.
Key features
- 16" SOCOM Profile Barrel — superior heat dissipation, minimal mirage, consistent accuracy under sustained fire
- 4150 CrMoV Steel • Black Nitride — battle-proven longevity, corrosion resistance, easy cleaning
- 1:8 Twist Rate — excellent stabilization of popular 55–77 gr 5.56 loads
- Mid-Length Gas System — smoother recoil impulse, improved reliability & suppressor performance
- MuzzLok® Plan B Flash Hider — flash reduction + HUB suppressor compatibility with repeatable, shim-free timing
- Superfinished Nitride M16 BCG + mil-spec charging handle included
- Made in Greater Cincinnati, Ohio — core components manufactured & upper assembled by Faxon Firearms
Related shopping shortcuts
Backed by Faxon Firearms’ Limited Lifetime Warranty.
Full terms & exclusions: https://faxonfirearms.com/warranty-privacy-terms/
Bill of Materials (exact components used)
Use these links to verify compatibility, plan upgrades, or source spare parts.
| Component | Faxon Part |
|---|---|
| Upper Receiver | FAXON ENHANCED FORGED AR15 UPPER RECEIVER - STRIPPED W/COMPLETION KIT |
| Barrel | FAXON DUTY SERIES SOCOM PROFILE 16" MID-LENGTH 5.56 NATO AR15 BARREL |
| Muzzle Device | FAXON MUZZLOK® STAINLESS STEEL PLAN B FLASH HIDER 1/2X28 - .250" BORE |
| Handguard | FAXON STREAMLINE ALUMINUM M-LOK 13" AR15 HANDGUARD |
| Gas Block | FAXON FIXED .750" 3 SCREW LOW PROFILE GAS BLOCK |
| Gas Tube | FAXON MID LENGTH STAINLESS STEEL AR GAS TUBE |
| Bolt Carrier Group | FAXON SUPERFINISHED 5.56 M16 BOLT CARRIER GROUP - NITRIDE |
| Charging Handle | Mil-Spec |
Quick specs summary: Complete 16" 5.56 NATO Duty Series SOCOM-profile upper — 4150 CMV black nitride barrel, 1:8 twist, mid-length gas, MuzzLok® Plan B flash hider (1/2×28, .250" bore), Streamline 13" M-LOK handguard, superfinished nitride BCG, mil-spec charging handle. Suppressor-ready for duty, tactical, and high-volume use. Made by Faxon Firearms in Greater Cincinnati, Ohio.
FAQs
Will this upper work on any standard AR-15 lower?▾
Yes — completely compatible with any mil-spec AR-15 lower receiver. Just attach and you're ready to shoot.
Is this upper suppressor ready?▾
Yes — optimized for suppression. Ships with Faxon MuzzLok® Plan B flash hider (1/2×28, .250" bore) for direct HUB-mount suppressor compatibility. Timing nut ensures repeatable POI with minimal shift when removing/reinstalling the can.
Where is this upper manufactured?▾
100% made in the USA — barrel, BCG, muzzle device, and final assembly all performed by Faxon Firearms in Greater Cincinnati, Ohio.
What does the SOCOM profile do better than lighter contours?▾
The heavier contour dramatically improves heat management and reduces mirage, helping maintain accuracy and point of impact during rapid or prolonged fire — ideal for duty, training, and suppressed use.
What BCG is included?▾
Faxon’s superfinished nitride M16 BCG — smooth, reliable, and built for high-round-count durability.
What warranty covers this upper?▾
Faxon Firearms Limited Lifetime Warranty. Full details, terms, and service information available at:
https://faxonfirearms.com/warranty-privacy-terms/
- Caliber:
- 5.56 NATO
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