BHA Precision AR-15 18 6mm ARC, 15 MLOK Handguard, Black Complete Upper Receiver w/ BCG & CH

Reach farther, shoot flatter, and do it with an AR15 that feels like a purposebuilt precision tool. The BHA Precision 18" 6mm ARC Complete Upper turns a standard lower into a longrange capable rifle with a predatorclass cartridge-delivering velocity, low drag, and tight group potential in a light, shootable package. Built around a precision 18.0" 1:7 twist barrel and finished for durability, this upper is tuned for extended-range accuracy, dependable tracking, and repeatable performance when you need it most.A riflelength gas system (optimized for the 18" tube) smooths the gas impulse for better recoil control and component longevity with precision loads, while the slim 15.0" freefloat MLOK handguard keeps weight forward and offers abundant mounting real estate for optics, bipods, and range gear. The barrel is pre-threaded for your choice of muzzle device, and the blackanodized receiver with forward assist and dust cover gives you a serviceable, corrosionresistant foundation.This variant ships complete - BHA installs and functiontests a matched Bolt Carrier Group (BCG) and charging handle (CH) so the upper arrives dropin ready. Mount an optic, torque your rings, zero, and send-this upper is built to take your AR15 well past 5.56 limits with lean, efficient 6mm ARC ballistics.Precision reach, dropin convenience - available now at BattleHawk Armory.Key Features & SpecificationsCaliber: 6mm ARCBarrel Length: 18.0" precision barrel (1:7 twist, optimized for modern 6mm projectiles)Barrel Finish / Material: Durable Black Nitride style finish for enhanced wear & corrosion resistanceGas System: Riflelength - tuned for smooth cycling and reduced felt recoil with precision loadsHandguard: 15.0" freefloat MLOK - lowprofile, lightweight, and accessoryfriendlyMuzzle Thread: Prethreaded (user installs preferred muzzle device; device not included)Upper Receiver: Black anodized with forward assist & dust cover (milspec fitment)Included: Matched Bolt Carrier Group (BCG) and Charging Handle (CH) - installed & functiontestedPlatform Compatibility: AR15 (drops onto standard milspec lower)Intended Use: Precision carbine / prairie dog rigs, PRSstyle fun, mediumrange hunting, suppressed/unsuppressed adaptable platforms