Expo Arms Combat Series 11.5" 5.56 NATO Chrome Lined AR-15 Barrel - Socom Profile - Carbine Length
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Expo Arms
Overview
The Expo Arms Combat Series 11.5" 5.56 NATO barrel features a SOCOM profile and is designed for use with a carbine-length gas system. This configuration allows for quicker cycling and is ideal for builds that prioritize maneuverability and compactness, making it suitable for close-quarters engagements. You'll frequently find this barrel in compact AR-15 builds that utilize a carbine gas system and chambered in 5.56 NATO, providing reliability and performance in a short form factor.
Specifications
Expo Arms Combat Series 11.5" 5.56 NATO Chrome Lined AR-15 Barrel - Socom Profile - Carbine Length
Build history on GunPartPicker
Builders have been adding the Expo Arms Combat Series 11.5" 5.56 NATO Chrome Lined AR-15 Barrel - Socom Profile - Carbine Length to their builds on GunPartPicker since February 2026. All time, it ranks #92 of the 814 barrels builders have added. Builds with this barrel are nearly all chambered in 5.56 NATO, nearly all on carbine-length gas, and mostly AR-15 (60%, then AR-10 40%).
It was out of stock everywhere we track for all of August 2026, and today the one retailer we track is out of stock. Listed prices start at $139.95 at Primary Arms for when it comes back.
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 12 builds that include this one
Bravo Company Mfg Upper Receiver Assembly w/ Laser T-Markings, Hard Coated Anodized - 4-UR-M4
Aero Precision Stripped M4E1 AR-15 Lower Receiver - Special Edition - Freedom
Bravo Company Manufacturing BCMGUNFIGHTER KAG - M-LOK - Black
CMMG AR-15 Forward Assist KIT
Radian Raptor Charging Handle & Talon Safety Selector Combo - OD Green
Aero Precision AR-15 5.56 BCG W/C158 Bolt - Aero Logo - Phosphate
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 3 →Builds in the community that include the Expo Arms Combat Series 11.5" 5.56 Nato Chrome Lined Ar-15 Barrel - Socom Profile - Carbine Length
| Build | Parts | Total |
|---|---|---|
 | 25 | $2259.43 |
 | 25 | $2259.43 |
 | 22 | $1801.97 |
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