Description
This 9mm chambered 11″ Straight Profile Barrel is Machined from 4150 Chrome Moly Vanadium Steel with a QPQ Corrosion Resistant Finish & Requires No Gas Block or Tube.
Quench Polish Quench (QPQ) is a Specialized Type of Nitrocarburizing Case Hardening That Increases Corrosion Resistance. It is Sometimes Known by the Brand Name of Tufftride, Tenifer Black Nitride, or Melonite. QPQ is a Huge Improvement Over Chrome Lined Barrels. Unlike Chrome Lining, Where the Chrome is Built Up on the Surface, QPQ Converts the Surface Without the Risk of Dimensional Build-Up. The Technique is Used When Two or More of the Following Properties are Required in a Workpiece.
Features:
- Designed to Work with Both Colt/RR & Glock Style AR Builds
- Compatible with Standard Mil-Spec Uppers & Dedicated Uppers
- 9mm on an AR-15 Platform Operates by Blowback & Does Not Need a Gas Block or Gas Tube
- Integrated Feed Ramp & Barrel Extension
- IMPORTANT: A .223/5.56 Flash Hider Will Not Have Enough Clearance for a 9mm Round to Pass
- Before Installing a Muzzle Device, Ensure a 9mm Round Will Drop Freely Through the Muzzle Device Bore
**DISCLAIMER** THESE BARRELS HAVE NO INDEX PIN OR DEDICATED FEED RAMPS
WARNING: This Product Can Expose You to Chemicals Including Lead, which is Known to the State of California to Cause Cancer and Birth Defects or Other Reproductive Harm. For More Information go to www.P65Warnings.ca.gov.
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