STT 11.5" Everything But Lower Complete Upper Receiver – EBTLK-11.5-BLK

The STT EBTLK-11.5-BLK 11.5" Everything But Lower is a complete, ready-to-install AR-15 upper receiver assembly designed for builders looking to create a compact pistol or short-barreled rifle (SBR) configuration. This turnkey upper includes everything needed to complete the top half of an AR-15 without the lower receiver, making it an ideal choice for custom pistol builds, SBR projects, or quick upgrades. Manufactured by STT, this model features a high-quality 11.5-inch barrel and comes finished in durable black.

The “Everything But Lower” configuration saves builders significant time and money by including the upper receiver, 11.5" barrel, handguard, gas system, bolt carrier group, and charging handle. The 11.5-inch barrel length is one of the most popular choices for AR-15 pistols and SBRs, offering excellent maneuverability while maintaining solid ballistic performance. Whether you're building a compact home defense pistol, a truck gun, or a high-performance SBR, the STT EBTLK-11.5-BLK delivers professional-grade components in one convenient package.

Key Features of the STT EBTLK-11.5-BLK Everything But Lower Upper

• 11.5-Inch Barrel: Compact barrel length perfect for building maneuverable AR-15 pistols and SBRs.
• Complete Upper Assembly: Includes forged upper receiver, 11.5" 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 11.5" Everything But Lower Upper?

The STT EBTLK-11.5-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. The 11.5-inch barrel is highly popular for pistol builds and SBR configurations due to its excellent balance of compactness and performance. Many builders prefer purchasing “Everything But Lower” uppers because they allow flexibility in choosing their own lower receiver, trigger group, and stock or brace configuration.

STT has developed a strong reputation for producing reliable, well-assembled AR-15 components. The EBTLK-11.5-BLK delivers a complete, high-quality upper that is ready for immediate installation. Whether you're building a compact AR-15 pistol for home defense, a truck gun, or assembling a short-barreled rifle, this complete upper provides the performance and convenience serious builders demand.

The STT EBTLK-11.5-BLK 11.5" Everything But Lower Complete Upper is a high-quality, ready-to-install AR-15 upper receiver assembly. With its compact 11.5-inch barrel, complete component package, and professional black finish, this upper offers an excellent foundation for building a reliable and maneuverable AR-15 pistol or short-barreled rifle.