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17hmr & 17m2
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 Posted: Mon Jun 11th, 2007 03:37 AM
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rick_in_lb
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    I have been looking around for a new rimfire rifle and am looking at the 17. My question is what is the difference between the 17hmr and the 17mach2, besides the cost of ammo. Trying to reach out to 200 yards+ with a rimfire so this should get me there.
Thanks



 Posted: Mon Jun 11th, 2007 10:56 AM
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crazy2medic
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17mach2 is a 22lr necked to .172, the 17hmr is the 22 magnum necked to .172. if your going for 200yds the 17hmr is what your lookin for! I have a savage93r17 in 17hmr, this thing will put 10rds you can cover with a dime at 50yds it's alot of fun to shoot!



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 Posted: Mon Jun 11th, 2007 12:03 PM
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Charley
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For longer stuff, the .17 HMR is the way to go.



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 Posted: Wed Jun 13th, 2007 01:41 AM
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rick_in_lb
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   Well I guess I will go with the 17HMR. I plan on getting the Savage, black synthetic stock with the varmint barrel. Just a starter rifle so I can get used to the caliber before I start doing upgrades. Interesting info on how the 17's came about. I might even get a 22mag rifle aslo, of course later. Now how do I explain the other rifle to the boss/wife:cool:



 Posted: Wed Jun 13th, 2007 07:10 AM
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bushmaster
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I have used a 22lr on ground hogs at 100 yds but took meny shots to kill him and have never tried any longer than that , the longest i have taken with the 17 mach 2 is 135 and i got him in the neck with the first shot and last night i took one at 75  yds with it , it was standing up looking at me and when i hit it , it took a back flip and ran to the hole i really didnt think i had a good shot on him when i got to the hole he was dead and i hit him right between the front legs . i have a friend that shots a 17 hmr thompson center 23 inch and 85% of the time takes them at 200 yds. I just have to get me one of those toys   I think you have made a good choice



 Posted: Tue Oct 30th, 2007 03:47 PM
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racefan3119
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I have been looking at the 17`s also, was thinking about doing a 17M2 conversion on a 10/22 but might look at the 17Hmr instead. Wish i had a basement then i could shoot all the time with a 10/22 (i live inside the city limits). 



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 Posted: Thu Dec 27th, 2007 05:38 AM
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jjb2
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rick_in_lb wrote:    Well I guess I will go with the 17HMR. I plan on getting the Savage, black synthetic stock with the varmint barrel. Just a starter rifle so I can get used to the caliber before I start doing upgrades. Interesting info on how the 17's came about. I might even get a 22mag rifle aslo, of course later. Now how do I explain the other rifle to the boss/wife:cool:

i got one of the savage mkIIs with the black stock and heavy barrel in .17mach2 but i really haven't had the chance to see what it will do... the first time out it was bad news because i think my scope was screwed up..  but even so i did manage some one hole groups at 50 yrds...  i like the fast flat trajectory of the round and the fact it costs half the price of the hmr stuff..     as for my spousal unit she drove me to the store to get the new savage..............



 Posted: Thu Dec 27th, 2007 08:43 PM
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wblodgett
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While a 17 HMR will get you out to 200 yards the bullet starts to drop fairly quickly past about 125 yards.

Zeroed at 100 yards you will be 8-10" low at 200 yards with a 17 - 20 grain bullet.

Zeroed at 200 yards you will be 4-5" high at 100 yards with a 17 - 20 grain bullet.

If you just plan on shooting paper at 200 yards and you can live with the above the 17 HMR will do fine.

The mach2 will be considerably worse.

Neither of these calibers will have energy at that range for doing much other than punching paper.


-Bill

Last edited on Thu Dec 27th, 2007 09:37 PM by wblodgett



 Posted: Fri Jan 18th, 2008 04:08 PM
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geneo128
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I'm new to this site, but not new to both .17's you have asked about. I have one of each, and have different uses for both; they are mostly used on prairie rats. The Mach 2 is quiet and good to 175 yds if the wind is not switching too much, the HRM is fun out to 200 yds with the same conditions.  There is a response that said the Mach 2 is a .22rim fire necked down, well that is kind of true but it is also trimed  shorter.  Also if you can get primed brass for the HMR there is loading dies that will neck the brass down and you can use what ever bullet you want to use (17 or 20), I use 20gr VMax with 5.5 gr Hodgdon Lit'Gun power, it shoots real good.  Hope this helps.



 Posted: Sat Jan 19th, 2008 10:50 AM
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crazy2medic
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never heard of reloading dies for a rimfire, seems kinda dangerous, who makes them?



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 Posted: Sat Jan 19th, 2008 02:27 PM
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klallen
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It is pretty dangerous, from my understanding.  At least the forming of the HMR case.  As much was said in one of the articles that I read about the round talking about its creation.  One of the reasons behind the added cost, too.  A whole new assembly process needed to be developed.  The priming compound has to be in case before they're sized down and shoudler created, evidently.  This is or was where the danger lied.  Crimping cases with the compound in case.  I guess they got it squared away but we pay for it.

GENEO128, tell us more about reloading for the HMR.  Where you get your supply of cases.  Load data.  Dies.  Sounds     ...     intriguing.

Incidently, I own a Marlin 17hmr.  Bought the first one that I ever saw come to MT back in 2002.  Was a gun show before the stores offered them.  Nice little plinker.  Got me back interested in rimfire when neither of the old .22 offering could.  >>  klallen



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 Posted: Sun Jan 20th, 2008 07:07 PM
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I was lucky enough to get the second proof of concept .17 rifles, and a supply of primed .22 mag brass, I also watch for .22Mag ammo that is on sale, I then pull the bullet, dump the powder resize, and refill with powder and seat the bullet.  The dies can be made from die blanks and a chamber reamer, same as the good Bench Rest shooters do.  The load came from Hornady.  I’ve tried Moly coating the bullets with an increased powder load but have not found that it works any better than 5.5 gr of Hodgdon Lit’ Gun. Hope this helps.
Gene



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