Centurion Arms C4 5.56 Billet AR-15 Receiver Set

Centurion Arms LLC, C4 5.56 Billet Receiver Set in 7075-T6 Aircraft Grade Aluminum Lower Receiver Specifications: - Precision CNC from billet 7075-T6 Aerospace aluminum - MIL-A-8625F, Type III, Class 2, Hard Anodized flat black finish or Cerakoted as per customers needs - Compatible with TDP/Mil standard AR lower receiver parts - Compatible with ambidextrous controls currently on the market (ambi selector and NORGON mag release) - Dimensional accuracy inspection - All sharp edges de-burred by hand - Pictograph selector markings properly marked for 90Adeg safety - Multi Caliber marking for build versatility - Largest possible, flared, deep beveled magwell - Tensioning screw for proper upper/lower fit - Integrated trigger guard - All components, material, and packaging made in the USA - Weight: 9.5 oz Upper Receiver Specifications: - Precision CNC from billet 7075-T6 Aerospace aluminum - M4 feed ramps - MIL-A-8625F, Type III, Class 2, Hard Coat Anodized flat black finish or Cerakoted as per customer's needs - Compatible with TDP/Mil Standard AR Upper Receiver Parts