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chad | 12-08-2008 05:24 PM
HMR versus HM2 question i know nothing about this caliber. anyway, i won a 17 hmr at a deer banquent recently. when i went to buy ammo for it, i see hmr2 rounds, which are short, and regular hmr rounds, where are about 1/4" longer. can you fire either of these rounds in a regular .17 hmr? i'm really confused. they look like exactly the same thing only different lengths. here's a pic of what im talking about. the hm2 is on the left, the regular hmr on the right: http://upload.wikimedia.org/wikipedi...ily.jpg/200px- which one of these do i buy?

Varmint Hunter | 12-08-2008 05:28 PM
Re: HMR versus HM2 question Chad, Congrats on your win! You only want to use the longer ones.

chad | 12-08-2008 05:32 PM
Re: HMR versus HM2 question alright, thanks! it's a marlin with a 5 shot clip and a scope. nice little unit for a $5 ticket. the ammo looks pretty cheap.

The Argent Dragon | 12-08-2008 05:32 PM
Re: HMR versus HM2 question Quote:
Originally Posted by Varmint Hunter (Post 1455747) Chad, Congrats on your win! You only want to use the longer ones.
Ditto........Longer ones have more POWDER = greater distance and better accuracy.

SilverCity | 12-08-2008 05:32 PM
Re: HMR versus HM2 question 1 Attachment(s) Quote:
Originally Posted by chad (Post 1455737) i know nothing about this caliber. anyway, i won a 17 hmr at a deer banquent recently. when i went to buy ammo for it, i see hmr2 rounds, which are short, and regular hmr rounds, where are about 1/4" longer. can you fire either of these rounds in a regular .17 hmr? i'm really confused. they look like exactly the same thing only different lengths. here's a pic of what im talking about. the hm2 is on the left, the regular hmr on the right: http://upload.wikimedia.org/wikipedi...ily.jpg/200px- which one of these do i buy?
The two cartridges are NOT interchangeable...If you have a 17 HMR chambered firearm, you need to buy the longer 17 HMR ammunition NOT the shorter 17 Mach 2. I recommend the Hornady V-MAX Ballistic Tip:

chad | 12-08-2008 05:35 PM
Re: HMR versus HM2 question aw crap, looks like a bought 6 boxes of the wrong stuff then. AHHHHHRGH. no receipt to take it back either. crap.

SilverCity | 12-08-2008 05:42 PM
Re: HMR versus HM2 question Quote:
Originally Posted by chad (Post 1455769) one other thing, even within the hmr ONLY categories of ammo i saw at gander mountain, there are short ones and long ones both marked as hmr. i expected that the longer ones would be higher grain, but that wasn't the case across the board. why are there different lengths of rounds within the hmr category (and even at the same grain)?
The 17 HMR is a 22 Magnum necked down to 17 caliber... and the 17 Mach 2 is a 22 Long Rifle necked down to 17 caliber. The purpose was to produce a higher velocity, flatter-shooting, better terminal performance varmint rimfire round.

Maximus | 12-08-2008 05:49 PM
Re: HMR versus HM2 question 17HMR is an awesome round for target shooting and small critters (or head shots on larger critters).

ruprick | 12-08-2008 06:09 PM
Re: HMR versus HM2 question As a point of reference, all 17 HMR ammunition with a polymer ballistic tips.....are produced by the exact same manufacturer....which is CCI. I understand that there may be variations in powder uesd...but it is still all made by CCI. The ballistic tip ammo is all 17 grain...and goes about 2500 - 2550 ft/sec. This is only good for small game and for head shots....not much penetration and explosive fragmentation. There is a metal jacketed 20 grain that would be more appropriate for slightly larger game or longer shots where you want to make a head shot and have penetration ....like for longer shots on fox, coyote, racoons. I know of guys that have taken kangaroos up to 45 lbs. For tons of info on the 17 HMR..... www.17hmr.net I have a Mossberg 17 HMR with a 3.5 - 10x scope....perfect for hunting shots out to 150 yards...perhaps even 200 yards on small game. The 17 HMR is a very accurate round. Ammo is not cheap but not expensive....you can find it on sale for about $10/box of 50. It fits a niche of still quiet like a 22LR.....much flatter than the 22 Mag......still a lot of performance for a non centerfire round. In my book, fills the gap between 22LR and the .223 centerfire. I know it is a big step to go from 17 HMR to .223...but why bother owning anything in between? In an emergency - I'm sure it would kill a deer with a head shot. I really would not bother with the HMR2.....a neat idea, where you could easily convert a 22LR rifle with a simple barrel change. A Ruger 10/22 in HMR2 might be neat to have ....would be as much flatter shooting version of a 22LR....but still only has 22LR energy......about 120 ft-lbs of energy at muzzle....while the 22 Mag / 17 HMR is 250 ft-lbs energy at muzzle. Like I say...the next gun up in my selection is the .223 making 1200 ft-lbs an outstanding varmit round out to 250 yards in an accurate bolt gun........I guess I do have an M1 Carbine that makes nearly 950 ft-lbs.....but why bother with that if you have a .223?

TTAZZMAN | 12-08-2008 07:18 PM
Re: HMR versus HM2 question as stated before you can only use 17hmr ammo both of the 17s are great target rounds the 17m2 is a true 100yd paper puncher lotta fun at the range or plinking the 17hmr is a true 150yd cartrige great little hunting round and paper puncher I have been looking for a 17hmr as a mess around,take on the boat, hunting gun If yours is the magnum research houge overmolded stock version i would love to take it off your hands

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