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I was not talking about the 17 HMR, which is still very popular. Every one making a gun lists a 17 HMR.
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Brings up an interesting point I can relate on between the two based on personal experience with my 3 17HMR's and 3 17HM2's AND the experience of all my hunting pards who also have multiple firearms for both 17 rimfires. In real life, ie the killing fields, the 17HM2 really doesn't give all that much up to the 17HMR on any of the smaller critters. You loose a little range, but not enough killing power to matter until the size of the varmint critter goes up is about all. On the other side, the 17HM2 is the better choice of the two for edible small game as it destroys less meat. Add that you get two to three shots from the 17HM2 to one from the 17HMR for the same dollar spent on ammo. So most of the gents I hunt with prefer the 17HM2 over the 17HMR for both small varmint and small game hunting. They reserve their 17 Hummers for when the ranges get longer, the winds a little stiffer or the size of the animal is larger.
Makes me wonder why the 17HMR remains more popular with hunters AND firearms manufacturers than the 17HM2. Easy answer may be because of which one came along first. If the 17HM2 had come out first it would probably be the more popular of the two. Another possibility may be that way more 17HMR firearms were sold than 17HM2's, ie not as many people jumped on the 17HM2 bandwagon, so 17 Hummer owners and MFG's didn't see the need to have/offer both.
So I still say if you want a 17HM2 then get one, find which ammo it likes best and start stockpiling that ammo for it. If you can't do it all at once as some of were able to, do it on a regular basis a little at a time. That way the ammo would not break the monthly family budget and eventually you'd have enough to last a lifetime.
As far as I know, Cooper, CZ, Ruger, Sako, Savage, Thompson Center and maybe NEF still offer 17HM2's. Some of the custom barrel MFG's still offer 17HM2 replacement barrels for certain 22LR rimfire rifles as well, and some specialty shops still convert certain 22LR rifles to 17HM2. Along those lines...
One of my 17HM2's is a Ruger 77/22 I've owned since the mid 80's that I simply bought a 17HM2 GM barrel for. It only took a few minutes to install for an instant 17HM2. That's a very budget minded way to get a 17HM2, and you can always go back to the 22LRF barrel anythine you want or if the 17HM2 ammo does in fact go away. If that happened all you'd be out is the low cost of the barrel rather than the cost of a complete firearm.
FWIW