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The difference is in the measurement system. Just as with miles vs. kilometers, pints vs. liters, etc, the United States continues to cling to the imperial measurement system, and cartridge calibers that were developed in the United States still bear the imperial measurements.
When decimal numbers are used to describe the caliber of a firearm, for example .45, .380, .22, etc. These are quoted as fractional inches. The barrel bore of a .45 caliber firearm is .45 inches across. European-designed cartridges are quoted using the metric system, as in 9mm, 5.56mm, 7.62mm, etc. The measurement still refers to the internal barrel diameter.
This likely will never change. Once the cartridges get their names, the names stick.
What else can I help you with?
What is the difference between can and could?
Can means "able to" but could means "able to with condition(s) " if you're talking about doing something. If your talking about something happening, such as an earthquake, "can happen" and "could happen" mean pretty much the same thing.Could is also the past tense of can.
How a Scientific method and its difference between general approach?
it approaches by beacuase general is talking about how it works and the scientific method talks about what it is and how it woks and the way to do it the scientific method explains the way how scientist do things
What s the difference between skimming and scanning?
if ur just talking in general, then the answer is tht skimming is just hitting the surface and not really examining it...scanning is taking a good look at it, but a quick look at that...but if its some scientific term or something...than i have absolutely NO clue
What do mean by high bandwidth?
The biggest difference between high and low bandwidth is latency. The lower the bandwidth the more time the computer spends trying to download the data.
What is the difference between 'glass' and 'a glass'?
A glass is made of glass.A glass is a single object used for drinking liquid. The article "a" before glass tells us we are talking about a single object.Whereas glass (no 'a') is a material that is used to make different objects eg a mirror, a window, a vessel to hold water etc
Chage the rotors on a Plymouth breeze?
If u are talking brake rotors remove the calibers and the calibers support the rotor should almost fall off in your hand
Difference between this and these?
this is for one thing and these is if you are talking about many things.
Gr talking about guns or bullets?
Powder or projectile
What is the difference between los and las?
Los is when you are talking about the masculine things, and las is for when you are talking about the femenen things
What is the difference between a speaker and a narrator?
In literature, the speaker is talking to others in the story; the narrator is talking to the reader.
What is the difference between saying what you mean and meaning what you say?
it depends what you are talking about...
Difference between 'All people and all the people'?
if your talking about all people then your talking about every human bean but if your talking about all the people your talking about every one in the room.
What is the difference between talk to someone and talk with someone?
When you talk to someone it is you doing the talking, but when you're talking with someone you're talking and getting feedback from that person.
What is the difference between the transmissions in a Buick Special and a Buick Custom?
Whoa! What years are you talking here...............it does make a difference. TommyTrouble
What is the difference between skunk and weed?
There is no difference ..its the same thing ..unless of course you are talking about the typical garden weed lol
The difference between national and international?
National is talking about allover 1 country and international is talking about allover 2 or more countries.
What is the difference between individual and a population?
an individual is talking about one person whereas a population is talking about more than one person
