The Proof Research 155189 PR15 223 Wylde 18" 7TW PXT barrel is a precision-engineered AR-15 extra barrel designed for shooters who demand consistent accuracy and dependable performance. Built specifically for the versatile .223 Wylde chamber and featuring an 18-inch profile with a 1:8 twist rate, this stainless barrel offers smooth, repeatable results with a wide range of bullet weights. The threaded muzzle provides compatibility with a variety of muzzle devices or suppressors, making it a flexible upgrade for your rifle.

This barrel is ideal for range use, training, and competition where precision and reliability matter most. The 18-inch length balances velocity and handling, giving shooters a refined feel without unnecessary bulk. Whether you are refreshing a well-used upper or building a new AR platform, this extra barrel reflects Proof Research’s focus on quality machining and thoughtful design.

Key Features:

• Manufacturer: PROOF RESEARCH
• Model: 155189 PR15 223 WYLDE 18 7TW PXT
• Caliber: .223 Wylde
• Barrel Length: 18"
• Twist Rate: 1:8
• Threaded Barrel: Yes