Ballistic Advantage Modern Series 9mm 8.3" AR-15 Pencil Barrel 1:10 Twist

Ballistic Advantage 8.3" 9MM AR 15 Barrel, Modern Series Blowback simplicity, precision-ready performance. 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 1/2x28 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 1/2x28 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: 1/2x28 x .400 Material: 4150 CMV Steel Finish: QPQ Nitride Weight: Approx. 11.5 oz (est.) Platform: AR-15 (Pistol Caliber) Compliance Note:All NFA/ATF rules apply. Use only with registered SBRs, pistols, or machine guns. Not for use on standard rifle-length lower receivers without proper configuration.