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The Battle Arms Development Authority Elite complete upper receiver 5.56 NATO 16-inch barrel in black (BAD-AUTH-UR16B-Y-15C) represents the pinnacle of premium AR-15 engineering with its fully billet-machined construction and integrated ambidextrous controls - elevating your build beyond mil-spec forgings for superior rigidity, precision, and operator-focused ergonomics in elite competition, duty, or tactical applications. At the core is the proprietary BAD556 billet 7075-T6 aluminum upper receiver seamlessly fused with a 15-inch free-float M-LOK rail handguard featuring a continuous Picatinny top rail and M-LOK slots at 3, 6, and 9 o'clock for unrestricted accessory mounting, paired with a durable 4150 Chrome-Moly Vanadium nitride barrel optimized for accuracy and heat resistance across ammo types, a head-spaced 9310 alloy steel bolt in a black nitride 8620 carrier for flawless extraction, and the included BAD-RACK-15C enhanced ambidextrous charging handle for snag-free, multi-angle manipulation. This drop-in-ready assembly installs on any mil-spec lower in minutes, delivering sub-MOA groups with its 1:7 twist and mid-length gas system, tuned for minimal recoil and reliable cycling under sustained fire.

Features

  • Billet BAD556 7075-T6 aluminum upper receiver - fully machined with integral ambidextrous controls for enhanced rigidity and zero retention
  • 16-inch 4150 Chrome-Moly Vanadium nitride barrel (5.56 NATO, 1:7 twist, mid-length gas system) - black nitride finish for corrosion resistance and longevity
  • 15-inch free-float M-LOK handguard - forged 6061-T6 aluminum with continuous Picatinny rail and signature notch cut for seamless integration
  • Includes BAD-RACK-15C enhanced ambidextrous charging handle - patented rack design for effortless left/right/center pulls
  • Proprietary AR-15/M16 bolt carrier group - 9310 alloy steel bolt head-spaced to barrel, 8620 black nitride carrier for easy cleaning and reliability
  • Factory-installed A2-style flash hider - threaded 1/2x28 with WORKHORSE low-profile gas block (.078-inch port) for tuned gas flow
  • Hardcoat black anodized finish throughout - mil-spec Type III for superior wear resistance
  • 100% made in the USA with lifetime warranty