Complete forged upper and lower receiver set with Picatinny rail, forward assist, dust cover, and flared magwell. Precision-machined for superior accuracy and full AR-15 compatibility.
The Lantac SF15 USR represents a solid foundation for building a reliable, accurate AR-15 platform rifle. This matched upper and lower receiver set combines precision engineering with practical features that matter in the field.
Picatinny Rail System — The integrated Picatinny rail provides a stable mounting platform for optics, lights, and other accessories. This gives you the flexibility to configure your rifle exactly as you need it.
Precision Machining — Each upper receiver is precision-machined to exacting tolerances, ensuring perfect alignment with the lower receiver. This tight fit translates directly into superior accuracy and consistency shot after shot.
Reliability in the Field — The forward assist and dust cover are included, providing reliable function even in harsh conditions. These features protect your rifle's internals from dust, debris, and environmental contamination.
Enhanced Ergonomics — The flared magwell makes magazine changes faster and easier, whether you're at the range or in a tactical scenario. This seemingly small detail makes a real difference during extended shooting sessions.
Secure Fit — A tension screw allows you to achieve a snug, rattle-free fit between upper and lower receivers, eliminating the play that can affect accuracy.
Full Customization — The lower receiver is fully compatible with standard AR-15 parts and accessories, giving you unlimited options to build the rifle that suits your needs and preferences.
Whether you're a newcomer building your first AR-15 or an experienced shooter assembling a specialized platform, the Lantac SF15 USR receiver set provides the quality and features you need to create a reliable, accurate rifle.