check out this:
http://www.deltaforce.com/catalog/cienerccukits.html
Ordered as a christmas present, just arrived last week.
Speednut,
The website is stating mid February. Did it say that when you ordered?
Htown,
Another company will be releasing its' own version that is supposed to be an improved design over the ceiner especially concerning the M16 units that JAC makes and I was told they'd be compatible with the black dog mags and would likely be offered with a 22 barrel as a kit for those who want to build their own dedicated upper.
I wish I could mention who and more specs but it's still in the testing stage, and hasn't been made public yet, though I have seen some testing footage of it being fired in auto, and I've ordered products from them before and I know they're a stand up company.
As for the Model 1 22 upper, I would expect that they'd be OK too.
But the main reason I'm wanting a ceiner kit is so I can use it in my SBR. If I bought a 22 barreled upper, it would cost considerably more than the JAC kit to buy the upper and then have the barrel cut down to my specs.
I have no doubt a 22 upper would be more accurate, but for my intended purposes, the JAC would suit my needs just as well.