Author Topic: What's the story on "Green Tip" Ammo in 5.56  (Read 104278 times)

fullautovalmet76

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What's the story on "Green Tip" Ammo in 5.56
« on: October 02, 2008, 09:52:02 pm »
I sometimes buy ammo from the Ammoman.com. The site advertises ammo in 5.56 that is green tipped. I don't know what that is supposed to mean. Would someone clue me in, please?

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What's the story on "Green Tip" Ammo in 5.56
« on: October 02, 2008, 09:52:02 pm »

Hazcat

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Re: What's the story on "Green Tip" Ammo in 5.56
« Reply #1 on: October 02, 2008, 09:56:35 pm »
All tipoes and misspelings are copi-righted.  Pleeze do not reuse without ritten persimmons  :D

Pathfinder

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Re: What's the story on "Green Tip" Ammo in 5.56
« Reply #2 on: October 02, 2008, 09:58:14 pm »
I sometimes buy ammo from the Ammoman.com. The site advertises ammo in 5.56 that is green tipped. I don't know what that is supposed to mean. Would someone clue me in, please?

I believe that green tip is the M855 ammo, with the SS109 bullet, which has a steel penetrator core. Usually more expensive than the "normal" plinker ammo, usually flagged M193 (IIRC).
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fullautovalmet76

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Re: What's the story on "Green Tip" Ammo in 5.56
« Reply #3 on: October 02, 2008, 10:23:29 pm »
Thanks for the link, Hazcat! It completely answered my question.

-G

Hazcat

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Re: What's the story on "Green Tip" Ammo in 5.56
« Reply #4 on: October 02, 2008, 10:25:06 pm »
We but exist to serve.  ;D
All tipoes and misspelings are copi-righted.  Pleeze do not reuse without ritten persimmons  :D

jumbofrank

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Re: What's the story on "Green Tip" Ammo in 5.56
« Reply #5 on: October 03, 2008, 01:32:36 am »
For anyone who doesn't want to read the whole article:

Regular ball ammo is plain with no paint.
Armor piercing ammo is black tipped.
M855/SS109 is green tipped because it as a hybrid ball with penetrator.

As far as I know there aren't any other calibers with green tips.
The bullets will actually stick to a magnet but not really well.
Some people selling it advertise it as armor piercing ammo but it's not.
You can also get ammo with the same bullet weight without a penetrator.
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fullautovalmet76

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Re: What's the story on "Green Tip" Ammo in 5.56
« Reply #6 on: October 04, 2008, 07:04:32 pm »
I do have one other question. According to the article the round is designed for barrels with a 1:7 twist; my barrel has a 1:9 twist. Given this, will the round still perform with a reasonable degree accuracy? Instead of getting 1 or 2 MOA at 100 yds., will I hit something on the planet Jupiter instead?  ;)

jumbofrank

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Re: What's the story on "Green Tip" Ammo in 5.56
« Reply #7 on: October 04, 2008, 09:09:05 pm »
That bullet and similar weights will work GREAT in a 1:9 twist. The 1:7 is designed for the (extra long) tracer bullets. There's some argument about whether or not it was even neccesary for them. Winchester 64-grain PSP should work if you want to shoot game up to deer size.
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fullautovalmet76

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Re: What's the story on "Green Tip" Ammo in 5.56
« Reply #8 on: October 05, 2008, 01:14:06 pm »
JumboFrank,
I thought it might work, but I wanted to consult more experienced shooters with this type of rifle on this one...Thanks again!

jumbofrank

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Re: What's the story on "Green Tip" Ammo in 5.56
« Reply #9 on: October 05, 2008, 07:27:59 pm »
I copied this from www.cactustactical.com/reloading/tips2.doc

Long Range Shooting Secrets
Bullets Tips

Rifle Twist Rates

.223 / 5.56mm
      1:14         up to 55 grains
      1:12         55 63 grains
      1:9           63 70 grains
      1:8           70 grains or more


It not that clearly defined in real life. For 62 grain bullets I'd still take a 1:9 over a 1:12 no matter what they say. A barrel in with a twist in between those two like a 1:10.5 would be even better, but I'm not buying a custom barrel. I shoot 55 grain bullets out of the fast 1:7 and 1:9 twists because those are the barrels I have and 55 grain ammo is cheaper. It just won't have great accuracy because it's over-stabilized.
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