9mm slick side upper receiver

Anyone else besides Rock River make a slick side flat top 9mm upper receiver? RRA is back ordered for several more months. I have seen some billet 9mm receivers but most of them are to thick for what I want.

I run a DPMS slick side on my 9mm build:

Flat top lo-pro upper: http://www.dpmsinc.com/store/products/?prod=821&cat=1704

I have seen the sportical uppers by DPMS. I would like one similar to the RRA that uses a dust cover.

I have seen several billet ones. They are all to thick for what I am needing and don’t fit my current lower correctly. Mainly looks but I want it to look good.

I know Spikes is making a dedicated 9mm upper receiver now but they are a little pricey.

Model 1 Sales also makes a slick sided flat top upper. You need to drill a gas tube hole.

No need, 9mm is blow back.

Not flat top but NODAK makes an A1 9mm Upper.