I asked a few sources, none are willing to part with any new ones at this time.
It might be possible to source some from used/ worn uppers, if that's an open option.

jamosdad wrote:Hi
Im desperately seeking one of these. Im willing to let go of other rare KAC parts for one.
I have a dimpled carbine, legacy CQB, even an SR16 CQB. I'd of course need cash as well.
Enail me with any help
[email protected]

What exact part number are you looking for?

Give Marvin a try, his turn around time has to be faster than mine.

Prices have been all over. 3K for a less than 2K round up towards 5-6K for NIB. Some of this does depend on certain features, so YMMV.
That's not the whole market by any stretch, just what I've bumped into.

No, there are some changes.

Any particular vintage or type? I do not plan to sell any myself, but I do bump into them if there is something specific that you are looking for.

Lots of awesome there. Thanks for posting the pic.

You can bet that I'll buy a few to try out. let's see how it goes

Some are rolling out now.

You could possibly send in an ER and have it re-barreled with a M110 barrel. It is expensive, but has happened.

Does it absolutely need to be NIB, or can it be LNIB (never shot) that has evidence of being only attached a few times?

I had more details, but this site isn't working well right now.

This is my 3rd F****N try to post. It works better caliber specific. The KAC mounting system works very well so far

The MOD2 CQB's should be around soon. That with the KAC 3 Prong flashider and QDC can of your choice would be hard to beat. Maybe add an A5, then accessories of your choosing.

I should have a very lightly used one up for sale shortly, just need to finish a few things first.

If you want to know exactly fora urx4 with KAC keymod hardware, you'd need to call them and have them look it up on a print. Just be sure to figure in a little wiggle room.

Some open source info can be found just by using Google and search for keymod specifications. As for accessory attachments, I've noticed different brands use some different depths, so I'm pretty sure a lot are not following any standard there.

I know a guy who has a non Christmas Cheer LW URX sitting around, I'll ask if he'll part with it.

I wouldn't be surprised to see SBR SR-15's at SHOT.

I know of a low mileage 2 stamp one that will be for sale with extras sometime after the first. Less than 40 rounds through it, looks great.

SHOT Show is right around the corner, I'd wait.

The 5.56 QDC/CQB can made it in. Tried it on 7 platforms, I'm very impressed. I'm going to try it out head to head from models from other manufacturers. This can is really better than what I thought I would get when I ordered it, happily surprised.

First ones are shipping now.

Should be rolling through within the next few weeks.

I'll take some iPhone pics when it gets here.