Whit Oak Barreled uppers??

I dropped in on their site and noticed they seem to be having some pretty good deals. I have heard nothing but good things about their barrels and was wondering.
Who make their uppers, bolts and charging handles?
Has anyone here any experience with this gear?
Thanks
A/M

Don’t know who makes their stuff for them and haven’t bought a barreled upper from them, but I do have an upper assembly that is mostly WOA components (receiver, barrel, and BCG). It’s an 18" SPR type build so it’s only seen a few thousand rounds, but I’ve had good reliability and accuracy out of it. It can do Hornady Steel training ammo at sub moa when I do my part right. Fed GMM is a bit better , but I tend to be the limiting factor there IMO. It’s shot GMM, BH, Wolf, PPU, Hornady, PMC, and 1980’s South African Surplus without a hick up.

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I called and asked after about 3 hours of sitting here wondering and the Lady couldn’t tell me exactly about the bolt or charging handle but said most of the upper receiver parts were Aero.
I’m dropping the money for the 20" here pretty soon. I’ve got a sweet optic and mount ready, it will have to wait a bit for a lower.
I will shoot it off my DD M4 V7 lower until then as I have a nice T trigger in it now.

I own one of their 20" match 1:7 uppers and it’s a tack driver (sub MOA if I do my part) but it’s picky on loads. I think WOA still uses Shilen blanks for their barrels, and I would not hesitate to buy from them again, or recommend them. My lead time was about three months.

I haven’t asked about lead times, but I will be going TDY twice once in Nov and again in Feb. The uplift and per diem will pay the freight for the whole upper and lower in the long run.
I’m looking at a 20 or 22 inch barrel and having it fluted. I’m getting pretty excited to seeing how it will turn out.

I would go 18" if I had it to all over again. The extra barrel length does not buy you extra velocity that is worth the extra weight in my opinion. You might want to do some research in regards to fluting a barrel and barrel life as well…it makes for some interesting reading.