SIONICS Weapon Systems 5.56 Carbine Length Medium Contour Chrome Lined AR-15 Barrel - 11.5"

Sionics Weapon Systems 5.56 Carbine Length Medium Contour Chrome Lined Ar-15 Barrel - 11.5" - Barrel for AR-15 - view 1

Sionics Weapon Systems

Overview

The Sionics Weapon Systems 5.56 Carbine Length Medium Contour Barrel at 11.5 inches is designed for builders seeking a compact yet versatile option for their AR-15. Featuring a medium profile and a gas system length optimized for carbine setups, this barrel ensures reliable cycling with 5.56 NATO ammunition. Its 1:7 twist rate provides excellent stability for a variety of bullet weights, making it suitable for different shooting applications. This barrel is commonly found in short-barreled rifle builds where maneuverability and performance are key.

Specifications

MPN115-MC-S
Caliber5.56 NATO
CoatingManganese Phosphate
Gas System LengthCarbine
Barrel ProfileMedium
Barrel Length11.5
Twist Rate1:7
Thread Pitch1/2x28

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October 2026 on GunPartPicker

SIONICS Weapon Systems 5.56 Carbine Length Medium Contour Chrome Lined AR-15 Barrel - 11.5" 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 #65 of the 1,043 barrels builders have added.

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