Expo Arms Combat Series 11.5" 5.56 NATO Chrome Lined AR-15 Barrel - Socom Profile - Carbine Length

Expo Arms Combat Series 11.5" 5.56 Nato Chrome Lined Ar-15 Barrel - Socom Profile - Carbine Length - Barrel for AR-15 - view 1

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

MPNXP-B-556-115-SOC-C
CoatingManganese Phosphate
Caliber5.56 NATO
Barrel ProfileSOCOM
Barrel Length11.5
Gas System LengthCarbine

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October 2026 on GunPartPicker

Expo Arms Combat Series 11.5" 5.56 NATO Chrome Lined AR-15 Barrel - Socom Profile - Carbine Length ranked #131 of the 329 barrels builders added on GunPartPicker in October 2026. Builders have added it to their builds on GunPartPicker. Since April 2026, it ranks #84 of the 1,046 barrels builders have added. Builds with this barrel are nearly all chambered in 5.56 NATO, nearly all on carbine-length gas, and nearly all AR-15.

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Builds Featuring This Part

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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

BuildPartsTotal
11.5" 5.56 build
11.5" 5.56
25$2043.53
2-gun 11.5" build
2-gun 11.5"
25$2043.53
11.5" 5.56 build
11.5" 5.56
22$1718.63

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