The BAD Authority Elite upper receiver is engineered for unmatched performance and precision, featuring a billet BAD556 7075-T6 aircraft-grade aluminum receiver. This robust construction is paired with integral ambidextrous controls, offering seamless operation for both left- and right-handed shooters. The free-float rail handguard is designed with M-LOK attachment points at the 3, 6 and 9 o'clock positions, allowing for versatile accessory placement to suit any tactical need. At the 12 o'clock position, a full-length Picatinny accessory rail with a signature notch cut perfectly aligns with the upper receiver for a clean and consistent design. The upper is outfitted with a 4150 chrome-moly steel barrel, treated with black nitride to enhance durability and ensure pinpoint accuracy in any environment. Each barrel is individually head-spaced and paired with a matching 9310 steel bolt and 8620 black nitride carrier, delivering exceptional reliability, ease of cleaning and long-lasting performance. The bad Authority Elite upper receiver sets a new standard for quality, precision and durability. The 16 inches barrel offers versatile performance across a range of applications The Bad Rack-15 C ambidextrous charging handle offers easy operation from both sides, making it versatile for all shooters Nitride finish, AR-15/M16 Bolt Carrier Group, providing increased performance and longevity with enhanced protection against wear The free-float M-LOK handguard allows for free-floating barrel integration, ensuring accuracy and reducing the risk of barrel deflection during use Anodized finish in black offers a sleek, durable appearance while protecting against wear and corrosion