BALLISTIC ADVANTAGE MODERN SERIES 11″ EPC 9MM STRAIGHT BARREL
1 in stock
Description
Ballistic Advantage 11" EPC 9mm Straight Modern Series
Overview
Ballistic Advantage 11" EPC 9mm Modern Series barrel is a purpose-built 9mm AR barrel engineered for reliable blowback operation, tight tolerances, and suppressor-ready versatility. Machined from CrMoV steel with a QPQ corrosion-resistant finish and full-profile 1/2-28 × 0.5" threads, this 11" barrel features an integrated feed ramp and barrel extension for smooth feeding and true overall length. Designed for Colt/Rock River and Glock-style 9mm AR platforms, this Ballistic Advantage barrel is available at Down Range Guns & Ammo in Maple Grove.
Performance & Design
Constructed from CrMoV steel and treated with a QPQ finish, the barrel resists corrosion while offering long service life in demanding field or range use. The 11" Modern Series profile includes a full-profile 1/2-28 × 0.5" threaded muzzle for broad suppressor and muzzle device compatibility, and an enhanced feed ramp for reliable ejection and feeding in blowback-operated 9mm ARs. Because the barrel extension is integral, the stated 11" length is the true overall length of the barrel assembly.
Fit & Compatibility
This barrel is designed to work with both Colt/Rock River (UZI-mag magwell conversions) and Glock-style 9mm AR uppers and is compatible with standard mil-spec uppers when using the appropriate conversion parts. Note that 9mm ARs operate by blowback and do not require a gas block or gas tube. Use the correct magwell conversion or a dedicated 9mm lower with Glock mags; standard 5.56 components are not directly interchangeable for feeding.
Installation Notes & Warnings
-
Thread spec is 1/2-28 × 0.5" full profile; threaded to accept common 9mm muzzle devices and suppressors.
-
Important: a standard 1/2-28 flash hider may not provide sufficient bore clearance for 9mm rounds. Verify that any muzzle device allows free passage of a 9mm projectile before installation.
-
Because the feed ramp and barrel extension are integrated, confirm clearance and headspacing during installation.
-
Always verify magwell compatibility and ensure you use the correct magazine system (Colt/RR UZI magwell or Glock-style lower) for your chosen build.
Key Features
-
Caliber: 9mm.
-
Length: 11" overall (true OAL includes integral barrel extension).
-
Material: CrMoV steel.
-
Finish: QPQ corrosion-resistant coating.
-
Threads: 1/2-28 × 0.5" full profile.
-
Profile: Modern Series, straight 9mm chamber with enhanced feed ramp.
-
Compatibility: Colt/RR and Glock-style 9mm AR builds; mil-spec upper compatible with correct magwell conversion.
-
Notes: Blowback operation — no gas block/gas tube required. Verify muzzle device bore clearance.
This Ballistic Advantage barrel is available at Down Range Guns & Ammo in Maple Grove.
