Centurion Arms C4 5.56 Billet AR-15 Receiver Set

Centurion Arms LLC, C4 5.56 Billet Receiver Set in 7075-T6 Aircraft Grade AluminumLower 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 ozUpper 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