The Rosco Manufacturing Rosco 20" SPR Purebred .223 Wylde barrel is built for shooters who demand consistent precision from an extended-length AR-15 platform. Crafted from 416R stainless steel with an SPR profile, this 20" rifle-length barrel uses a 1:7 twist to stabilize a wide range of .223 Wylde projectiles and features 1/2x28 muzzle threading for easy attachment of brakes or suppressor mounts. Its bead blasted silver finish and nickel boron barrel extension provide a clean, durable surface that resists fouling and supports smooth cycling.

This Purebred SPR barrel shines in roles where accuracy and repeatability matter, from varmint control and target shooting to formal matches and dedicated training rifles. The rifle-length gas system and step crown are tuned for reliable function and consistent shot-to-shot performance, making it a strong choice for precision-focused AR-15 builds. Backed by Rosco Manufacturing’s reputation for tight tolerances and careful craftsmanship, it offers a refined foundation for your next long-range carbine project.

Key Features:

• Manufacturer: Rosco Manufacturing
• Model: Purebred 20" SPR .223 Wylde Barrel
• Caliber: .223 Wylde
• Barrel Length: 20"
• Barrel Profile: SPR
• Twist Rate: 1:7
• Threaded Barrel: 1/2x28
• Gas System: Rifle-Length
• Barrel Material: 416R Stainless Steel
• Finish: Bead Blasted Silver
• Barrel Extension Finish: Nickel Boron
• Firearm Compatibility: AR-15