The 17HMR if anything has made the WMR more popular.
How is that? Before the 17HMR came along myself and a lot of others shot the 22 WMR. Now I pretty much just shoot the 17HMR. I am willing to learn.
Many Rimfire lovers want to have both. --- I think they compliment each other. Their 2 different rounds, mean't for 2 different applications, for many of us. Niether is a do all round. After the HMR came out, I started reading the comparisons and became interested in shooting again. Since, I have bought another 22Mag. I now have 4.
The main reason, though, for believing the HMR helped the WMR is by simply looking at all the new WMR ammo that has become available. Their are now more than 20 different WMR rounds available, from 30gr. to 50gr. They are also made of higher quality nowadays. That stimulates interest, although not neccesarily yours.
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The HMR is, on average a little more accurate, but on average it is also a little more expensive. The Mag is more powerful, and Hummer is flatter shooting, and on and on. I don't want to beat a dead horse, and I'm sure you now wish you hadn't sold your Wummer.
All kidding aside, I do not have a HMR yet, but will someday. Right now I have no use for it. I've gone with the HM2 instead. If I want to go furhter out, I use my hornet or .223.