- 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.