Aero Precision 5.5" 9MM AR-15 Barrel, 1:10T, 1/2x28, 4150 CMV

Tiny but mighty, this barrel is the key to success on and off the range! At 5.5 inches and built with a tough-as-nails construction, the Aero Precision 9MM barrel is the perfect choice for self-defense or as a great range gun!

The Aero Precision 5.5" 9MM AR-15 Barrel is the ideal choice for those looking to build a compact, high-performance AR-15 chambered in 9mm. With a barrel length of 5.5 inches, this barrel is designed for maneuverability and versatility, making it perfect for close-quarters applications, personal defense, and tactical scenarios. The 1/2x28 threaded muzzle allows for easy attachment of muzzle devices or suppressors, giving you the flexibility to customize your build to your exact specifications.

Superior Materials for Enhanced Durability
Crafted from 4150 Chrome Moly Vanadium (CMV) steel, this barrel is built to last. The material's strength and heat resistance make it an excellent choice for high-round-count use, ensuring your barrel remains accurate and reliable even under heavy use. The QPQ (Quench-Polish-Quench) corrosion-resistant finish adds an extra layer of durability, protecting the barrel from the elements and extending its lifespan. This combination of material and finish ensures that the Aero Precision 5.5" 9MM AR-15 Barrel is not only tough but also resistant to wear and tear, providing long-lasting performance.

Optimized for Accuracy and Performance
The 1:10 twist rate of this barrel is specifically optimized for 9mm rounds, providing excellent stabilization and accuracy for a wide range of bullet weights. Whether you're using lightweight or heavier projectiles, this barrel ensures consistent performance and tight groupings. Additionally, the EPC (Enhanced Pistol Caliber) barrel extension is designed to work seamlessly with both Aero Precision’s EPC upper receivers and mil-spec upper receivers, ensuring a perfect fit and smooth cycling in your AR-15 build.

Why Buy the Aero Precision 5.5" 9MM AR-15 Barrel?
The Aero Precision 5.5" 9MM AR-15 Barrel is an excellent choice for anyone building a compact, reliable AR-15 in 9mm. With its durable 4150 CMV steel construction, corrosion-resistant QPQ finish, and optimized 1:10 twist rate, this barrel delivers the performance and accuracy you need in close-quarters situations. Whether for personal defense, tactical training, or recreational shooting, this barrel offers the quality and precision you expect from Aero Precision. Enhance your AR-15 build with a barrel designed to deliver exceptional results in every shot.