Guntec AR-15 Slabside Billet Upper Receiver Features The Guntec USA Slabside Billet Upper Receiver is machined from 6061-T6 billet aluminum a material known for its strength and consistency compared to forged alternatives. Its slim slab sided profile gives the upper a distinct streamlined look compared to a standard forged AR-15 receiver. The flat top design incorporates a full length 1913 Picatinny rail giving builders a continuous mounting surface for optics and accessories. A brass deflector is machined directly into the receiver to protect the shooter from ejected casings. This upper has no forward assist a lighter weight design choice that appeals to builders prioritizing a clean minimalist profile. It accepts both Milspec and Gen 3 dust covers giving builders flexibility in sourcing additional components. The M4 feed ramp geometry is built into the receiver for reliable feeding once paired with a compatible lower and bolt carrier group. At roughly 7 ounces the Guntec USA Slabside Billet Upper Receiver is for sale at GrabAGun for AR-15 builders who want a lightweight premium billet upper. Guntec AR-15 Slabside Billet Upper Receiver Specifications Manufacturer: GunTec Material: 6061-T6 Billet Aluminum Finish: Hardcoat Black Anodized Caliber: 5.56 Receiver Description: Flat Top Picatinny Rail Forward Assist: No Weight: 7 oz Available At: GrabAGun