ATI

Precision Engineered CNC Cut 416 R Stainless Steel - Broach Cut and Finished Honed - Drop-in Fit No Gunsmithing Required - Billet Thread Protector Included - Threaded 1/2x28 - 1:10 Right Hand Twist - Compatible with Lead Bullets - Match Grade Accuracy - 100% Made In USA - Caliber/Gauge: 9MM - Barrel length: 3.9