The A3 upper receiver assembly is made to mil-spec standards and includes a picatinny rail on the top, dust cover, and installed forward assist. The Stag 15 M-LOK SL Handguard series offers fore-end versatility for the AR15 platform like never before. Using the M-LOK attachment sections, you can customize the setup of your handguard. Stag AR-15 barrel chambered in 5.56 is setting the new standard for barrels. Coming in at 16 inches, requiring a mid-length gas system (not included), and sleek QPQ Black Nitride coating, this barrel will give you years of service in your next rifle build or as a replacement barrel for your existing AR 15.

Combo includes:

* Assembled Upper (with ejection port cover and forward assist installed)
* Handguard
* Barrel

 The handguard is blemished. Blemishes may include:

• Scratches

• Minor tool marks

• Flaws in finish

These products are fully functional. If you don't mind a slight imperfection, this is the perfect product for you. We do not accept returns on blemished products.