The Black Rain suppressor-ready complete upper assembly transforms your direct-impingement AR rifle into a high-performance, suppressed powerhouse, delivering rugged durability and precision for tactical and duty applications. Engineered for immediate installation and heavy-use scenarios, this upper features a 10.5" stainless steel barrel with a 1:7" twist rate and 1/2"x28 TPI threading, optimized for stability and accuracy with suppressors. It accommodates suppressors up to 1.90" in diameter, with 5.4" nesting inside the 15" hybrid M-Lok handguard for a streamlined, low-profile setup. The included nickel-boron-coated bolt carrier group ensures smooth, low-maintenance operation and enhanced reliability under demanding conditions. This ready-to-mount upper combines premium materials and thoughtful design, making it the ideal choice for builders prioritizing suppression, maneuverability, and consistent performance. Whether for home defense, professional use, or custom projects, the Black Rain upper sets the standard for tactical excellence. Order yours today at Battlehawk Armory and build with confidence! Specifications: Action: Direct Impingement Complete Upper Handguard: Hybrid M-Lok 15" Barrel: 10.5" Stainless Steel, 1:7" Twist, 1/2"x28 TPI BCG: Nickel-Boron-Coated Intended Use: Suppressor Ready, Suppressed Builds Accepts suppressors up to 1.90" in diameter with 5.4" of the suppressor nesting inside the handguard