The Battle Arms 9mm Blowback AR9 Bolt Carrier Group in black nitride (Battle Arms Development part no. BAD-BCG-9MM) is built for 9mm blowback AR9 rifles and pistols. It works with both Colt and Glock magazine configurations, so the same carrier suits either lower style. An AR-15 style external extractor with an O-ring and spring backs up extraction, and ramped bottom geometry keeps it compatible with most AR-15 triggers. The charging handle interfaces directly on the carrier surface, which can take hard pulling without shearing off the carrier key. It is a solid base for a 9mm AR build.

Key Specifications

• The action is 9mm blowback, built for AR9 builds rather than direct impingement rifles.
• Magazine compatibility covers both Colt and Glock magazine configurations.
• The carrier is Mil-Spec 8620 heat-treated steel, chosen for strength in a reciprocating part.
• The extractor is a reliable external AR-15 style claw with an O-ring and spring, for positive extraction.
• Trigger fit is broad, since ramped bottom geometry makes it compatible with most AR-15 triggers.
• The finish is durable hard nitride black, which stands up to wear and fouling.
• The carrier has a removable carrier weight, and the group has a total mass of 14.9 ounces.

Frequently Asked Questions

Does this BCG work with Glock-style magazines? Yes. Battle Arms states the bolt carrier group is compatible with both Colt and Glock magazine configurations.

Which buffer does Battle Arms pair it with? Battle Arms lists the BAD-CSS 9mm buffer as compatible with this bolt carrier group.

Is it a direct impingement carrier? No. It is a 9mm blowback carrier for AR9 builds, with an AR-15 style external extractor.

Buy the Battle Arms 9mm Blowback AR9 Bolt Carrier Group, Black Nitride

A bolt carrier group sets how reliably a 9mm AR cycles, and this one is built around that job. Order it from our Lubbock, Texas gun shop for fast shipping, and browse more AR bolt carrier groups while you are here.