STT 16" Everything But Lower Complete Upper Receiver – EBTLK-16-BLK

The STT EBTLK-16-BLK 16" Everything But Lower is a complete, ready-to-install AR-15 upper receiver assembly designed for builders who want a high-quality upper without purchasing a lower receiver. This turnkey upper includes everything needed to complete the top half of a standard AR-15 rifle, making it an excellent choice for custom builds, upgrades, or quick assembly projects. Manufactured by STT, this model features a 16-inch barrel and comes in a durable black finish.

The “Everything But Lower” configuration saves builders significant time and money by including the upper receiver, barrel, handguard, gas system, bolt carrier group, and charging handle. Whether you're building a standard AR-15 rifle for home defense, competition, or general-purpose use, the STT EBTLK-16-BLK delivers professional-grade components in one convenient package.

Key Features of the STT EBTLK-16-BLK Everything But Lower Upper

• 16-Inch Barrel: Optimal barrel length for a well-balanced AR-15 rifle with excellent velocity and accuracy.
• Complete Upper Assembly: Includes forged upper receiver, 16" barrel, free-float handguard, gas block, gas tube, bolt carrier group, and charging handle.
• Black Finish: Durable black finish on all major components for a sleek, professional appearance.
• 5.56 NATO Compatible: Chambered in 5.56 NATO, allowing safe use of both 5.56 NATO and .223 Remington ammunition.
• Headspaced & Tested: Professionally assembled and headspaced for reliable function right out of the box.
• Free-Float Handguard: Modern free-float rail system for improved accuracy and accessory mounting options.
• Quality Components: Built with reliable, mil-spec or better components for long-term durability.
• American Made: Manufactured by STT with quality American craftsmanship.

Why Choose the STT 16" Everything But Lower Upper?

The STT EBTLK-16-BLK is an outstanding option for AR-15 builders who want a complete upper receiver assembly without the added cost or legal considerations of a lower receiver. Many builders prefer purchasing “Everything But Lower” uppers because they allow flexibility in choosing their own lower receiver, trigger group, and stock configuration. The 16-inch barrel length is one of the most popular choices for general-purpose AR-15 rifles, offering a great balance of velocity, accuracy, and maneuverability.

STT has developed a strong reputation for producing reliable, well-assembled AR-15 components. The EBTLK-16-BLK delivers a complete, high-quality upper that is ready for immediate installation. Whether you're building a new AR-15 rifle from the ground up, upgrading an existing firearm, or assembling a custom rifle for competition or home defense, this complete upper provides the performance and convenience serious builders demand.

The STT EBTLK-16-BLK 16" Everything But Lower Complete Upper is a high-quality, ready-to-install AR-15 upper receiver assembly. With its standard 16-inch barrel, complete component package, and professional black finish, this upper offers an excellent foundation for building a reliable and versatile AR-15 rifle.