Awesome product for something different in the line of AR 15 receivers from PSA. Marked M4 CARBINE US PROPERTY, SAFE, SEMI, AUTO; perfect platform for your next Retro AR. Ready to build, these are live 100% machined semi automatic lowers. Many suppliers are offering real Vietnam era AR15 parts kits currently. $69 each, while supplies last. Credit cards accepted with a 2.99% fee. Sales tax on all sales, stock and prices subject to change without notice. NOT FOR SALE WHERE PROHIBITED BY LAW. 7 DAY A WEEK PHONE INFORMATION HOTLINE 52O 790 5017.