FAXON Firearms AR-15/M16 10.5" Socom Barrel 4150 QPQ Carbine .750
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Faxon Firearms
Overview
The Faxon Firearms AR-15/M16 10.5" SOCOM Barrel is designed for optimal performance in compact builds, featuring a 10.5-inch length and a SOCOM profile that balances weight and rigidity. Chambered for 5.56 NATO, this barrel incorporates a 1:8 twist rate, making it suitable for a variety of bullet weights while the carbine-length gas system ensures reliable cycling. You'll typically find this barrel in short-barreled rifles aimed at enhanced maneuverability and rapid handling in tactical settings.
Specifications
FAXON Firearms AR-15/M16 10.5" Socom Barrel 4150 QPQ Carbine .750
Build history on GunPartPicker
Builders on GunPartPicker first added the FAXON Firearms AR-15/M16 10.5" Socom Barrel 4150 QPQ Carbine .750 to a build in March 2026.
Availability is good: it was in stock at one retailer or another nearly every day in August 2026, and today 7 of the 8 retailers we track have it in stock. It dipped to $136 at GritR Sports for a stretch in August 2026, under its usual $142.60 to $156, so sales do come around. Buying today, the lowest price is $140.40 at AT3 Tactical.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 35 retailers
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Frequently Built With
The part most often added in each category by the 5 builds that include this one
Midwest Industries Suppressor Series M-LOK AR-15 Handguard - 10.5"
Wilson Combat AR-15 Lower Receiver Forged
SOLGW NICKEL TEFLON OCKS BCG 5.56
Radian Weapons AR-15 Raptor Ambidextrous Charging Handle FDE
Samson Manufacturing M-LOK Vertical Grip - Medium Standard - Black
Aero Precision AR-15 Stripped Upper Receiver, No Forward Assist Black
Build Configuration Breakdown
Aggregated and anonymized data showing how builders use this product
PlatformBased on real build data showing which platform (AR-15, AR-10, AR-9) builders pair with this product.
Builds Featuring This Part
See all 4 →Builds in the community that include the Faxon Firearms Ar-15/m16 10.5" Socom Barrel 4150 Qpq Carbine .750
| Build | Parts | Total |
|---|---|---|
 | 27 | $2394.11 |
 | 12 | $2114.50 |
 | 14 | $2473.27 |
 | 13 | $998.77 |
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