Rosco Manufacturing Bloodline 9mm AR-15 Barrel Medium Weight - 5.5"
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Rosco Manufacturing
Overview
The Rosco Manufacturing Bloodline 9mm AR-15 Barrel features a medium weight design that balances stability with maneuverability, making it ideal for various applications. With a length of 5.5 inches and a blowback gas system, this barrel is optimized for reliable cycling in 9mm builds, while its 1:10 twist rate enhances bullet stability for improved accuracy. This barrel is commonly found in builds that prioritize blowback operation and 5.56 NATO caliber conversions.
Specifications
Rosco Manufacturing Bloodline 9mm AR-15 Barrel Medium Weight - 5.5"
Price and stock
The Rosco Manufacturing Bloodline 9mm AR-15 Barrel Medium Weight - 5.5" was out of stock everywhere we track for all of September 2026, and today none of the 3 retailers we track has it in stock right now. Listed prices start at $79.99 at Brownells for when it comes back.
Prices checked · refreshed daily across 37 retailers
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Builds Featuring This Part
See all 1 →Builds in the community that include the Rosco Manufacturing Bloodline 9mm Ar-15 Barrel Medium Weight - 5.5"
| Build | Parts | Total |
|---|---|---|
 | 14 | $990.90 |
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