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FAXON DUTY SERIES 10.5" SOCOM 5.56 BARRELED UPPER
Faxon
$532.00
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Faxon
FAXON DUTY SERIES 10.5" SOCOM 5.56 BARRELED UPPER
FAXON DUTY SERIES 10.5" SOCOM 5.56 BARRELED UPPER
Compact, rugged reliability for AR pistols and SBRs — heavy SOCOM contour barrel for superior heat management and sustained accuracy, carbine-length gas system for dependable short-barrel cycling, 1:8 twist, A2 flash hider — precision-crafted in Greater Cincinnati, Ohio.
5.56 NATO • Duty/Tactical 10.5" SOCOM Profile Duty Series 4150 CMV Black Nitride QPQ 1:8 Twist Carbine Gas Made in Ohio, USA
What it is
The Faxon Duty Series 10.5" SOCOM 5.56 Barreled Upper is a compact, battle-ready upper assembly designed for AR-15 pistols, braced builds, and short-barreled rifles in tactical, duty, and defensive roles. The heavy SOCOM profile places mass forward to manage heat, reduce mirage, and keep groups tight during rapid or sustained fire — perfect when barrel length is short and the rate of fire is high.
Core component is Faxon’s in-house button-rifled Duty Series 4150 CrMoV barrel (1:8 twist, stress-relieved, MPI-inspected, black nitride finish) paired with a carbine-length gas system for reliable short-barrel function. It includes a standard A2 Bird Cage Flash Hider (1/2×28) for effective flash suppression and broad accessory compatibility, plus Faxon’s premium Streamline 9" M-LOK handguard, fixed low-profile gas block, and stainless carbine-length gas tube.
Durable, accurate, and built to endure — the barreled upper solution for operators who need compact power without compromise.
Who it’s for / not for
- Best for: AR pistols, SBR/PDW builds, close-quarters tactical, vehicle defense, high-volume training in confined spaces.
- Good match: Mil-spec AR-15 lowers, red-dot/holographic optics, braced pistols or registered SBR platforms.
- Not ideal for: Long-range precision (consider 16"+ barrels), ultralight competition builds, or mid-length gas preference.
Key features
- 10.5" SOCOM Profile Barrel — heavy contour for heat management, reduced mirage, and accuracy under rapid fire
- 4150 CrMoV Steel • Black Nitride — battle-proven durability, corrosion resistance, easy cleaning
- 1:8 Twist Rate — stabilizes popular 55–77 gr 5.56 loads effectively
- Carbine-Length Gas System — reliable function in short barrels
- A2 Bird Cage Flash Hider — effective flash signature reduction, 1/2×28 threading
- Faxon Streamline 9" M-LOK Handguard — lightweight, modular accessory mounting
- Made in Greater Cincinnati, Ohio — 100% Faxon Firearms manufactured & assembled
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 10.5" CARBINE-LENGTH 5.56 NATO AR15 BARREL |
| Muzzle Device | A2 Bird Cage Flash Hider |
| Handguard | FAXON STREAMLINE ALUMINUM M-LOK 9" AR15 HANDGUARD |
| Gas Block | FAXON FIXED .750" 3 SCREW LOW PROFILE GAS BLOCK |
| Gas Tube | FAXON CARBINE LENGTH STAINLESS STEEL AR GAS TUBE |
Quick specs summary: 10.5" 5.56 NATO Duty Series SOCOM-profile barreled upper — 4150 CMV black nitride barrel, 1:8 twist, carbine-length gas, A2 flash hider, Faxon Streamline 9" M-LOK handguard. Built for compact tactical, duty, 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.
Is this upper suppressor ready?▾
The 1/2×28 threaded A2 flash hider allows attachment of direct-thread suppressors. For quick-detach suppressor systems, you may want to upgrade to a compatible muzzle device (see Faxon’s MuzzLok® or other QD options).
Where is this upper manufactured?▾
100% made in the USA — barrel, machining, and final assembly all performed by Faxon Firearms in Greater Cincinnati, Ohio.
What does the SOCOM profile do for a 10.5" barrel?▾
The heavier contour dramatically improves heat management and reduces mirage compared to lightweight profiles, helping maintain accuracy and point of impact during rapid or prolonged fire — especially valuable on short barrels that run hot quickly.
Does this include BCG and charging handle?▾
No — this is a complete barreled upper only. You will need to add a bolt carrier group and charging handle (see related shopping links above).
What warranty covers this product?▾
Faxon Firearms Limited Lifetime Warranty. Full details, terms, and service info available at:
https://faxonfirearms.com/warranty-privacy-terms/
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/
- Caliber:
- 5.56 NATO
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