The foundation of all good AR’s is built upon a dependable upper receiver. CBC upper receivers offer best-in-class quality while providing you years of dependable service. Boasting a MIL-SPEC type III hard coat anodized finish and machined from 7075-T6 forged aluminum, this M4 flat-top receiver delivers a lifetime of superior function. You want your AR built upon a solid platform – this receiver gives you the confidence that your AR-15 will function when it counts most.
- 7075 T6 forged aluminum
- M4 Feed Ramps
- Hardcoat anodized
- Perfect for 5.56 NATO, 300AAC and 6.8SPC
CBC AR-15 upper receivers offer the perfect fit for your upper assembly needs. Our AR-15 stripped uppers and upper receiver parts are backed by our Lifetime Warranty – if any CBC AR-15 upper receiver or upper receiver part becomes defective, we will repair or replace it at no charge. Get your AR-15 upper receivers at CBC today and save with free shipping on eligible products.