Ed Brown 1911 Government Threaded Barrel Features This barrel is crafted using top-tier materials and advanced manufacturing processes to ensure superior accuracy. The .45 ACP 1911 barrel is cut from T-416 modified stainless steel a high-grade material known for its purity strength and uniform structure. Precision broach rifling with a 1:16 left-hand twist provides consistent bullet stabilization and excellent performance with a wide range of ammunition including lead projectiles. Built for long-term durability and performance this barrel undergoes stress relief heat treatment and sub-zero freezing to maximize strength and longevity. The threaded design supports suppressor use when paired with a Nielsen device while oversized external dimensions help improve lockup and accuracy with minimal fitting required. Included components such as the link link pin bushing and thread protector provide added value for installation and use. Ed Brown 1911 Government Threaded Barrel Specifications Manufacturer: Ed Brown Model: 1911 Government Threaded Barrel Caliber: .45 ACP Barrel Length: 5 Barrel Style: Threaded Thread Pattern: 0.578x28 RH Twist: 1:16 LH Material: T-416 Stainless Steel Finish: Stainless Compatibility: 1911 Government Commander Slides Included: Link Link Pin Bushing Thread Protector