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he Ballistic Advantage 9x19mm 8.3” Modern Series Barrel AR-type. Ballistic Advantage (BA), founded in 2008 in Ocoee, Florida, makes hundreds of thousands of match-grade quality barrels per year. It’s the result of sophisticated production methods using custom designed CNC tooling and processes delivers bore uniformity equal to or better than .0003” or 1/3333rd of an inch! In fact, BA says many of its barrels are actually typically at about 1/6500th of an inch in uniformity throughout the entirety of the bore.

BA commences manufacturing with 4150 Chrome Moly Vanadium (CrMoV) steel bar stock. It’s then cut to the needed length, drilled, reamed and button rifled. Once the barrel gets to this point, it receives a QPQ corrosion-resistant finish. QPQ is short for “quench polish quench”, which is a tough nitrocarburizing case hardening. The entire manufacturing process is done with extensive quality control.

The finished product is a highly accurate 9.5 ounce 11” barrel with a 1:10” twist ratio fronted by 1/2"x28 TPI threads to give owners the best latitude of muzzle brake choices. The straight-profile barrel operates without using a gas block or a gas tube and uses blowback for cycling. It also includes an integrated feed ramp and an integrated barrel extension. The true barrel length includes the barrel extension since it is integrated with the barrel. The result is sub-MOA accuracy, meaning groups of 1” less at 100 yards distance.

BA barrels work with dedicated 9mm MIL-SPEC uppers, Colt/RR (Rock River) and Glock-type AR buildouts. Using UZI magazines requires a magwell conversion. These match quality barrels are Made in America.

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