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Description
The Ballistic Advantage 8.3″ 9mm Modern Series Barrel is built for AR pistol and PCC platforms that prioritize reliability and compact performance. Machined from 4150 Chrome Moly Vanadium steel and treated with a QPQ corrosion-resistant nitride finish, this barrel provides long-lasting durability and clean, consistent performance.
With a 1:10 twist rate, integrated feed ramp, and full-profile 1/2×28 x .400 threads, it’s compatible with a wide range of muzzle devices and suppressors (verify 9mm clearance before installation). Designed for blowback operation, this barrel does not require a gas block or gas tube, simplifying your build.
Compatible with both Colt/Rock River and Glock magazine-fed AR-9 lowers, this barrel drops into mil-spec upper receivers and dedicated 9mm uppers alike.
Features
8.3″ length ideal for compact AR-9 or PCC builds
4150 CMV steel with QPQ nitride finish for extended barrel life
Blowback operation—no gas system needed
1:10 twist rate for standard 9mm projectile stabilization
1/2×28 threaded muzzle (.400 length)
Compatible with Colt/RR or Glock-style mag setups
Integrated feed ramp and barrel extension for improved feeding
Made in the USA
Specifications
Caliber: 9mm
Barrel Length: 8.3″
Twist Rate: 1:10
Gas System: Blowback
Gas Block Journal: N/A
Muzzle Thread: 1/2×28 x .400
Material: 4150 CMV Steel
Finish: QPQ Nitride
Weight: Approx. 11.5 oz (est.)
Platform: AR-15 (Pistol Caliber)
