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Old 06-09-2010, 01:12   #1
Erick123
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9mm, 147grain +p+ gold dot vs 124grain +p gold dot?

Well, I am in a bind right now for SD/HD ammo.

I am wondering if I should go with...

124grain +P gold dots, (1,225 fps/M.E. 413 ft. lbs.)

Or

147grain +P+ gold dots, (1,175 fps/M.E. 451 ft. lbs.)

Or even

124grain +P+ gold dots. (1,300 fps/M.E. 461 ft. lbs.)

What would I be better off with? (penetraction/expansion)

This ammo will be used in a g4 G17.

As of now I have some 127grain JHP +p+ winchester T.
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Old 06-09-2010, 08:23   #2
cowboy1964
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Quote:
Originally Posted by Erick123 View Post
Well, I am in a bind right now for SD/HD ammo.

I am wondering if I should go with...

124grain +P gold dots, (1,225 fps/M.E. 413 ft. lbs.)

Or

147grain +P+ gold dots, (1,175 fps/M.E. 451 ft. lbs.)

Or even

124grain +P+ gold dots. (1,300 fps/M.E. 461 ft. lbs.)

What would I be better off with? (penetraction/expansion)

This ammo will be used in a g4 G17.

As of now I have some 127grain JHP +p+ winchester T.
Where are you seeing 124+P+ or 147+P+ Gold Dots?? I would stick with true Speer Gold Dot factory ammo, not custom loads. 124+P is fine.

Last edited by cowboy1964; 06-09-2010 at 08:24..
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Old 06-09-2010, 13:06   #3
BadAndy
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I didn't know they made a +P+ 147gr. I carry 124gr +P which I fully trust will be enough to get the job done.
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Old 06-10-2010, 18:23   #4
DRT
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Since you already have 127gr +P+ Ranger Tseries, why would you consider downgrading to any of these????
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Old 06-10-2010, 18:25   #5
Alaskapopo
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I prefer the 147 grain Federal HST +p. It has better penetration in windshield glass than the middle weights and it expands to .75 caliber.
Pat
Quote:
Originally Posted by Erick123 View Post
Well, I am in a bind right now for SD/HD ammo.

I am wondering if I should go with...

124grain +P gold dots, (1,225 fps/M.E. 413 ft. lbs.)

Or

147grain +P+ gold dots, (1,175 fps/M.E. 451 ft. lbs.)

Or even

124grain +P+ gold dots. (1,300 fps/M.E. 461 ft. lbs.)

What would I be better off with? (penetraction/expansion)

This ammo will be used in a g4 G17.

As of now I have some 127grain JHP +p+ winchester T.
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Old 06-10-2010, 18:27   #6
DRT
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Quote:
Originally Posted by alaskapopo View Post
i prefer the 147 grain federal hst +p. It has better penetration in windshield glass than the middle weights and it expands to .75 caliber.
Pat

+1


........
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Old 06-10-2010, 18:50   #7
GunFighter45ACP
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shoot both then decide. Terminal performance should always take a back seat to accuracy & reliable feeding thru your carry weapon.
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Old 06-10-2010, 20:21   #8
Alaskapopo
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Quote:
Originally Posted by GunFighter45ACP View Post
shoot both then decide. Terminal performance should always take a back seat to accuracy & reliable feeding thru your carry weapon.
I agree to a point. Reliability comes first. But accuracy is relative. I would rather carry a load capable of 4 inches at 25 yards that has good terminal performance vs a load that shoots into 1 inch at 25 yards with poor performance.
Pat
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Old 06-15-2010, 13:57   #9
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Being a handgun hunter, I go with weight over velocity and in a 9 carry 147 HSTs
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Old 06-15-2010, 14:06   #10
cpelliott
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I would be very unhappy to be shot with any of those rounds.
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Old 06-15-2010, 14:37   #11
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I would go w/ the one loaded by Speer and not some other company.
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Old 06-17-2010, 01:01   #12
DEADEYEGUY
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A couple of years ago I had some Georgia Arms 9mm Gold Dot bullets in 115gr. +P ( actually I think +P+), 124gr. +p, and 147gr.. Fired them into soaked phone books with an old jacket in front of the phone books. I know it's not scientific but each one of the 3 bullets penetrated and expanded about the same. Although I lean towards the middle weight +p and +p+ ammo the 147's worked just as well as the others. The Gold Dots are amazingly uniform in performance. And yes I know it's not scientific. It is interesting though.
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Old 06-19-2010, 22:41   #13
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That 147 GD bullet is proven to work at a lower velocity than you are going to use it. We don't know what the ideal operational velocity range is for that bullet. By making it go faster (in your case two pressure levels) it could expand too soon and reduce penetration or break off the petals causing core separation (I know its bonded but maybe???) or petals may fold completely back causing a fmj-shape and over penetrating. I don't know but I've never heard of anyone using 147gr pushed with +P+ pressures... this is what we call a clue.

One benefit of a normal pressure 147 is that it gives you the same expansion and penetration of lower weight and faster loads but with much less muzzle energy which means it has less recoil.

9mm ammo is usually tested in a 4" barrel. Your G17 has a 4.5" barrel so you are already getting more velocity than what is published for that round. You don't need to add even more velocity with the bullets you have chosen because they are proven to work at a lower velocity.
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Old 06-20-2010, 06:45   #14
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I don't think any intended target you are likely to meet will be able to tell the difference.

Regards,
Happyguy
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