LD Performance “Mainstay” AR-15 4.5″, .45ACP, .578×28, Medium Profile, 1-16T, 4150 CrMoV, Nitride Barrel

Introducing the ELD Performance AR-15 Mainstay, a high-quality barrel designed for pistol caliber AR builds. With a caliber of .45 ACP and a length of 4.5 inches, this barrel is perfect for compact and maneuverable builds. The medium profile design of this barrel is optimized for accuracy while maintaining a lightweight feel.

The Mainstay is constructed from 4150 Chrome Moly Vanadium and is finished with a durable Nitride finish, ensuring durability and longevity. Additionally, the barrel is precision machined with a 1:16 twist rate, allowing for exceptional accuracy and consistent performance. The .578x28 thread pitch is compatible with most standard muzzle devices.

Whether you're building a pistol caliber carbine for home defense or competition shooting, the ELD Performance AR-15 Mainstay barrel is an excellent choice. With its high-quality construction, optimized design, and precise machining, this barrel is sure to deliver reliable performance for years to come.