- Machined from 7075 T6 aircraft grade billet aluminum
- Widening cut to accept a wider range of pistol caliber magazines
- Matte black hard-coat anodized per Mil 8625 Type 3 Class 2
- Compatible with all standard AR-9 components and most aftermarket parts — Machined pocket to accommodate Magpul BAD Lever
- Manufactured to MILSPEC on state of the art CNC equipment for consistent quality parts and exacting tolerances
CBC AR-9 upper receivers offer the perfect fit for your upper assembly needs. Our AR-9 stripped uppers and upper receiver parts are backed by our Lifetime Warranty – if any CBC AR-9 upper receiver or upper receiver part becomes defective, we will repair or replace it at no charge. Get your AR-9 upper receivers at CBC today and save with free shipping on eligible products!