**FFL Required Before Shipping. Please have your dealer email their license to sales@centurionarms.com and have them reference your name/order number.
No we do NOT accept fax as we live in the modern world and we also do NOT accept carrier pigeon. **
Centurion Arms LLC, C4 5.56 Forged Receiver Set 7075-T6 Aircraft Grade Aluminum
Receivers Machined from Aluminum Forgings 7075-T6
Receivers Hardcoat Anodized per MIL-A-8625F, Type III, Class 2
M16/Auto Pocket
Absolutely gorgeous ano. Tolerances that are as tight as you'd ever want. On top of an amazing company run by genuinely great people. You can't go wrong with centurion. I would and have purchased again.