STT 10.5" Everything But Lower Complete Upper Receiver – EBTLK-10.5-BLK

The STT EBTLK-10.5-BLK 10.5" Everything But Lower is a complete, ready-to-install AR-15 pistol 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 an AR-15 pistol, making it an excellent choice for custom builds, SBR conversions, or quick upgrades. Manufactured by STT, this model features a 10.5-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 compact AR-15 pistol for home defense, a truck gun, or a high-performance short-barreled rifle (once properly registered), the STT EBTLK-10.5-BLK delivers professional-grade components in one convenient package.

Key Features of the STT EBTLK-10.5-BLK Everything But Lower Upper

• 10.5-Inch Barrel: Compact barrel length optimized for AR-15 pistol platforms and maneuverability.
• Complete Upper Assembly: Includes forged upper receiver, 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 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 10.5" Everything But Lower Upper?

The STT EBTLK-10.5-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. Many builders prefer purchasing “Everything But Lower” uppers because they allow flexibility in choosing their own lower receiver, trigger, and stock configuration. This 10.5-inch model is particularly popular for those building compact AR-15 pistols that offer excellent maneuverability in tight spaces.

STT has developed a strong reputation for producing reliable, well-assembled AR-15 components. The EBTLK-10.5-BLK delivers a complete, high-quality upper that is ready for immediate installation. Whether you're building a new AR-15 pistol, upgrading an existing firearm, or assembling a short-barreled rifle (once properly registered as an SBR), this complete upper provides the performance and convenience serious builders demand.

The STT EBTLK-10.5-BLK 10.5" Everything But Lower Complete Upper is a high-quality, ready-to-install AR-15 pistol upper receiver assembly. With its compact 10.5-inch barrel, complete component package, and professional black finish, this upper offers an excellent foundation for custom AR-15 pistol builds.