The JE Machine Tech PS-BAL23 AR-15 Barrel 4.5" 9mm delivers a compact, purpose-built option for pistol-caliber AR builds. This 4.5 inch barrel is chambered in 9mm and clearly marked with a 1:10 twist rate, providing dependable stabilization for common 9mm loads. Constructed from durable steel with a black nitride finish, it is designed as a straightforward upgrade or replacement barrel for AR-15 style 9mm platforms.

With its short 4.5 inch length, the PS-BAL23 is well suited for pistol-caliber carbines and AR pistols where maneuverability and balance matter. Builders looking to keep their 9mm AR compact for range use, training, or general recreational shooting will appreciate the simple, no-nonsense design. The barrel reflects JE Machine Tech’s focus on practical components that emphasize reliability and consistent performance.

Key Features:

• Manufacturer: JE Machine Tech
• Model: PS-BAL23
• Caliber: 9mm
• Barrel Length: 4.5 inches
• Twist Rate: 1:10
• Product Type: AR-15 Barrel