For builders seeking a reliable and compact barrel for a pistol-caliber AR-15 upper, the CA19 Pistol Flush Fit Barrel is a core component. Designed specifically for use with Gen 3 Glock® 19 parts, this barrel allows you to build a 9mm AR pistol or SBR with a clean, integrated look. It’s a straightforward solution for a dedicated 9mm build that prioritizes function and a streamlined profile, shipped fast from Miami Shooters Supply.
Key Features
- Flush fit design integrates cleanly with a standard AR-15 handguard for a seamless appearance.
- Engineered for reliable feeding and compatibility with Gen 3 Glock® 19 magazines and lowers.
- Constructed from certified steel bar stock for consistent durability and bore life.
- Features simple, durable polymer sights ideal for close-quarters applications.
- Precision machining ensures proper headspacing and reliable performance with standard 9mm ammunition.
Built For
This barrel is ideal for the AR-15 enthusiast building a compact 9mm pistol or SBR for range use, training, or home defense. It’s a practical choice for anyone who values the manual of arms of an AR platform in a pistol caliber and wants a build that looks as good as it functions.
Specifications
- Caliber: 9mm Luger
- Material: Steel, with a protective finish
- Compatibility: Designed for Gen 3 Glock® 19 pattern parts and magazines in AR-15 platforms
- Twist Rate: 1:10 (typical for 9mm)
- Intended for use with a blowback-style 9mm AR-15 upper receiver.
FAQ
Is this a complete upper assembly?
No, this is the barrel component only. You will need a compatible 9mm AR-15 upper receiver, bolt carrier group, handguard, and other parts to complete your build.
Will this work with my Gen 4 or Gen 5 Glock magazines?
This CA19 Pistol Flush Fit Barrel is designed for Gen 3 compatibility. While many Gen 4/5 magazines may function, for guaranteed reliability we recommend using Gen 3 Glock® 19 magazines and compatible lower receivers.
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