Used M16 Colt early preban upper. Receiver is black/gray color. Receiver marked with C in small square. Barrel marked "C MP C". No brass bump or forward assist. Bore is excellent. Lots of miles left. Contact me for more photos. Price is for one upper. You will get one like those in photo. I accept cash, money orders, and cashier's checks. $18 priority mail shipping. Florida residents add 6%. I combine shipping. Rich
Trades Accepted: No
I ship nongun items with US mail. I accept all credit cards, also cash, personal checks, company checks, money orders, cashier's checks, and bank checks. No credit card fee.