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what does bullet grains mean?

This is a discussion on what does bullet grains mean? within the The Ammo Can forums, part of the Armory Talk category; im such a newb when it comes to guns, so what does the number of grains mean on a bullet, and whats the difference between ...


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Old 12-15-2004, 03:05 PM   #1
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what does bullet grains mean?

im such a newb when it comes to guns, so what does the number of grains mean on a bullet, and whats the difference between different ones?
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Old 12-15-2004, 03:21 PM   #2
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It is the weight of the bullet in "grains". One grain is about 65 milligrams (I've heard, someone correct me if I'm wrong).
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Old 12-15-2004, 03:53 PM   #3
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Something to note. The heavier the bullet, the less recoil too. As an example 115g 9mm has more of a pop than 147g 9mm. This is why I plan to reload with 147g bullets.
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Old 12-15-2004, 04:39 PM   #4
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Willbond is quite correct.

1 grain equals 64.8 milligrams.

"Grains" is a measure of weight. So is "Grams" but they are not the same. 1 gram = 15.4324 grains.

1Lb. equals 7,000 grains.

So in ounces a 230 gr. bullet weighs.....

"An ancient unit which was originally based on the weight of a grain of wheat. The grain is the smallest unit of weight in the avoirdupois, troy, and apothecaries systems. Surprisingly it is identical in all three systems."
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Old 12-15-2004, 09:45 PM   #5
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Old School,

I beg to differ unless you mean a "dopwn loaded heavier bullet will have less recoil".

Try going out with say a 357Mag. Fire a 125 grain bullet at 1400ft/sec. Now fire a 158gr at 1400ft/sec. I promise you will notice the 158gr a WHOLE lot more.

Basically, felt recoil is a function of energy. Remember high scholl physics. For every action there is an equal and opposite reaction. I don;t care how you make 400ft/lbs of energy, it will have the same recoil (if fired in the same weapon, etc) as any other load with 400ft/lbs. Bump that to 600ft/lbs and you have 50% more recoil.

Basically, the morepower, the larger the recoil.


If you hypothesis were true, a 230gr 45 would kick less than a 147gr 9mm. Just not true.
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Old 12-15-2004, 09:49 PM   #6
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I must agree with DanaT on that one as well. It's much easier to fire 300 Gr. .50AE bullets than 350+ Gr. bullets. Maybe there is a point where bullet weight takes on the opposite effect?
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Old 12-16-2004, 07:43 AM   #7
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Grains in weight not to be confused with grains in volume as is the way black powder is messured[/quote]
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Old 12-16-2004, 10:01 AM   #8
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Quote:
So in ounces a 230 gr. bullet weighs.....
.5257142oz, give or take...
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Old 12-16-2004, 10:14 AM   #9
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Quote:
Originally Posted by JimLongley
Quote:
So in ounces a 230 gr. bullet weighs.....
.5257142oz, give or take...
phones ringing....hey jim its for you,..... its NASA
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Old 12-16-2004, 10:20 AM   #10
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It's simple, more grains=bigger entry wound, less grains=smaller entry wound.

As for what happens after a larger heavier or smaller lighter round/bullet enters a body at a certain velocity, no one can say for absolute sure due to the amount of factors influencing the round's behaviour.

If you want it dead for sure, use a big gun with a big bullet
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