I have a spare A2 upper that I would like to build up either into a 20" match gun or go the opposite route and put a 16" M4 on it.  Most of the sites I've looked at sell complete upper assemblies with the barrels or sell all the components separately.  I know Bushmaster sells barrel assemblies up to and without the receiver.  I may end up going that route as it is also a Bushy A2 upper that I have.  Any other suggestions?  I'm working on a limited budget here so some of the suppliers are out of the question due to cost.  I'd like to keep the barrel assembly around $225 if I can.  Any help?

White Oak Armament service rifle barrel.

Well priced and accurate

look on the EE,  I have picked up a few uppers for around what your looking to spend on a barrel assembly

I saw some barrel assemblies within your budget at the PK Firearms online store.  Brand is Bushmaster and DPMS, 16" M4 style.  Comes with a moly bbl (xtra for chrome lined), delta ring assembly, handguards, A2 FH w/crush washer and gas tube w/roll pin.  I've bought from them many times and they are really good people to deal with.

Thanks for the hints there.  

go to Del-Ton and look under "Barrel Kits".   they list both DPMS and Wilson barrels assy and they come complete from delta ring forward...  both 20" and the m4 barrel assy for less than 2 bills.. extra for chrome lined.

Quoted: White Oak Armament service rifle barrel. Well priced and accurate

+1 or used ones on the EE