Check this out:
A2 upper: http://www.midwayusa.com/eproductpage.exe/showproduct?saleitemid=265139&t=11082005
A3 upper: http://www.midwayusa.com/eproductpage.exe/showproduct?saleitemid=570493&t=11082005
$549 each, by Oly arms, showing in stocks of 7-24-8
Anyone know what the differences...