I heard a while ago that this was the case. Is there any way to confirm it?
I’d love to get KevinB or III in here to say one way or the other. But I’m sure other people know too…
Also looking into the Colt Canada website, do the C8 guns use titanium firing pins? If so, why? And are they even worth it?
I think I remember someone from KAC at least alluding to Colt supplying barrels. If not I’m sure someone will be along shortly to correct me.
I’m pretty sure I’ve read on this site before that KAC makes their own barrels and lowers, etc. in house.
Do you remember who alluded to that?
I really want a Colt Canada barrel, after reading about accuracy/durability reports of them.
KAC certainly has the machining capability to manufacture their own barrels. If they do not make their own, they would only source from a top-notch manufacturer of hammer forged better-than-mil-spec barrels. This is a question for KevinB or somebody else at KAC.
I, for one, would be very surprised if they didn’t make their own barrels.
chambered blanks from Colt Canada
From CanadianGunNutz.com
Link to the thread can be found Here
It would probably be cost prohibitive for a company like KAC to have their own hammer forging machine.
There are only a few in the US. Ruger and FN off the top of my head. I think DD does, too, but they are trying to pay for it by tons of sales. They have really gone into the barrel business in the last 2 years.
If KAC is only offering Colt Canada barrels to the public who are they offering to the military market?
In house barrels?
That seems backwards to be offering two different sets.
I think you mis-read Kevin’s statement. He is saying KAC is the only company offering Colt Canada barrels to the public, not that they are only used on KAC firearms sold to the public.
Oh, looks like I made myself look stupid again.
Thanks for clarifying. 
ETA: I actually misread it, and never went back. I hope I look a little less stupid.