Royal Tiger M16 Parts kit mix of A1 & A2 A1 hand guards A1 upper receiver with M16A2 stock part
kits price with barrel assembled was $499.95 ("good" quality although not stated on page at time for which level of kit quality) Special memorial day sale assembly was free which wasn't much for putting together a new barrel and mounting it on the receiver.
Regularly
http://www.royaltigerimports.com/ProductDetails.asp?ProductCode=AR150011&ID=25&yes=yes
Kit Complete Upper receiver, lower parts , sights, bolt carrier group and charging handle $349.95
20 inch non chromed pencil barrel $150.00
Assemble of upper receiver labor $200.00(includes non chrome line pencil barrel or is $50.00 to assemble when purchasing barrel) the total 599.95 is if not on sale.

**NOTE** Colt Bolts are no longer included and are replaced with an economy fill in model.

For more information please and about the spilt and cracked upper A1 receivers and the possibility of repair and costs see
http://www.ar15.com/forums/t_3_123/674168_.html&page=1&sr=0
and
http://www.ar15.com/forums/t_3_123/673367__ARCHIVED_THREAD____RTI_M16A1_parts_kit_arrived__Pics.html&page=1

The only thread images are direct linked is located at http://www.ar15.com/forums/t_3_123/680626_.html&page=1 which may have more info. Created 9-06-2015

Sub galleries
Early Palmetto Lower :sub gallery:-research on receiver markings.
https://pbase.com/thresholdprod/palmetto_lower