AR57 ULT UPPER ASSEMBLY 16" BBL 5.7X28 ULT16 ULT0116

AR57 ULT Upper Assembly 16" BBL – 5.7×28mm (ULT16 – ULT0116) Experience unmatched precision and modular flexibility with the AR57 ULT Upper Assembly featuring a 16‑inch barrel and chambered for the high‑velocity 5.7×28mm cartridge. Engineered for both tactical and sporting applications, this upper assembly combines lightweight design with durable construction, delivering superior performance in a compact platform. Whether you're building a custom AR‑57 build or upgrading an existing system, the ULT16 delivers the reliability and accuracy demanded by discerning shooters. Key Features & Benefits 16‑inch barrel length optimized for balanced handling and extended muzzle velocity. Specifically engineered for the 5.7×28mm cartridge, offering flat trajectory and reduced recoil. Precision‑machined ULTRA‑LIGHT (ULT) alloy for superior strength‑to‑weight ratio. Compatible with standard AR‑15 lower receivers and AR‑57 conversion kits. Enhanced heat‑dissipating design for sustained fire without loss of accuracy. Full‑length hand‑guard with M‑LOK slots for customizable accessory attachment. Integrated, low‑profile gas system for smooth cycling and minimal recoil impulse. Factory‑tested for reliability, ensuring flawless operation out of the box. Technical Specifications Specification Detail Model AR57 ULT Upper Assembly 16" Barrel Length 16 inches (406 mm) Caliber 5.7×28mm Part Number ULT16 – ULT0116 Material ULT‑grade aerospace aluminum alloy Gas System Adjustable direct‑impingement Hand Guard M‑LOK compatible, 15‑inch length Weight (unloaded) ≈ 3.2 lbs (1.45 kg) UPC 051497297985 Country of Origin United States Why Choose the AR57 ULT Upper Assembly? The AR57 ULT Upper Assembly is more than a component—it’s a platform that expands the capabilities of the 5.7×28mm cartridge. Its lightweight yet robust construction makes it ideal for: Close‑quarters tactical scenarios where maneuverability matters. Competitive shooting disciplines that reward rapid follow‑up shots. Home defense setups that benefit from reduced recoil and high magazine capacity. Custom builds seeking a balance of performance and ergonomics. Installation & Compatibility Designed with the end‑user in mind, the upper assembly features a standard AR‑15 interface, allowing a quick swap onto any compatible lower receiver. The built‑in gas block aligns perfectly with standard gas tubes, and the M‑LOK hand guard supports a wide range of accessories, from foregrips to tactical lights. Follow the included installation guide for a seamless build experience. Accessories & Upgrades To maximize the potential of your AR57 ULT Upper Assembly, consider pairing it with: 5.7×28mm match‑grade ammunition for enhanced accuracy. Precision‑machined AR‑57 lower receivers. Adjustable gas blocks for fine‑tuning recoil impulse. M‑LOK compatible rail systems and accessories. Enhanced trigger groups for a smoother pull. Customer Support & Warranty Every AR57 ULT Upper Assembly is backed by a limited two‑year warranty covering manufacturing defects. Our dedicated support team is available to assist with any questions regarding installation, compatibility, or performance optimization. SEO Keywords AR57 ULT Upper Assembly, 16 inch barrel AR57, 5.7×28mm upper, ULT16 upper, ULT0116 AR57, AR‑57 build kit, lightweight AR‑57 upper, AR57 modular rifle, high‑velocity 5.7mm upper, AR57 tactical upper, M‑LOK hand guard, AR‑57 accessories, AR‑57 upper receiver, 051497297985. The End