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what does HMR stand for ???


decoying mad
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You know, the more I read these "what's it stand for" threads the more I realise how little I know about FAC. Would some kind person point me in the direction of an article or something that explains what the initials stand for and gives a brief what and why they came to be.

 

I'm sure I am not the only oaf that hasn't got a clue :good:

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You know, the more I read these "what's it stand for" threads the more I realise how little I know about FAC. Would some kind person point me in the direction of an article or something that explains what the initials stand for and gives a brief what and why they came to be.

 

I'm sure I am not the only oaf that hasn't got a clue :oops:

 

I had similar problems understanding all the different calibres when I got into FAC territory. A good idea is to read The Sporting Rifle which has a good bash at explaining many of the cartridges (although it won't mention HMR as it's fairly new).

 

The trick is to not apply any kind of system/logic as you would with shotgun barrels. Shotguns are nice and simple; your barrels get wider as the number (bore) gets smaller.

 

With the rifles, you can broadly split them into rimfire and centrefire. The three most common rimfire rounds you will come across are the .22lr, .22WMR and the .17HMR (google is your friend). Once you get into centrefire categories, the number of cartridges is seemingly infinite, and the naming of cartridges can seem random. Often you'll come across many different cartridges which fire the same sized bullets, the difference being that the case is different thereby allowing different velocities and muzzle energies. Another good idea would be to get your hands on a reloading manual which contains a lot of information on each cartridge (at least my Speer one does anyway).

 

It starts making more sense eventually.

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I had similar problems understanding all the different calibres when I got into FAC territory. A good idea is to read The Sporting Rifle which has a good bash at explaining many of the cartridges (although it won't mention HMR as it's fairly new).

 

The trick is to not apply any kind of system/logic as you would with shotgun barrels. Shotguns are nice and simple; your barrels get wider as the number (bore) gets smaller.

 

With the rifles, you can broadly split them into rimfire and centrefire. The three most common rimfire rounds you will come across are the .22lr, .22WMR and the .17HMR (google is your friend). Once you get into centrefire categories, the number of cartridges is seemingly infinite, and the naming of cartridges can seem random. Often you'll come across many different cartridges which fire the same sized bullets, the difference being that the case is different thereby allowing different velocities and muzzle energies. Another good idea would be to get your hands on a reloading manual which contains a lot of information on each cartridge (at least my Speer one does anyway).

 

It starts making more sense eventually.

 

Thanks, I see what you mean about the numbers not making any sense, there seems to be no logical sequence (well not to me anyway).

 

Rod

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