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#3149576 - 07/12/09 04:47 AM Re: which powder for .223 that will get 4000 fps [Re: Toms22]
halfmile Offline
Campfire Regular

Registered: 01/17/09
Posts: 680
I have found 3800 to be the practical limit for 40 grain VMax.

That said, as stated above, some extreme measures may get you a little further. Whether you are going into an accuracy node or leaving one is another thing.

The best load I found was with Accurate Data 2200, sadly no longer available.

HM

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#3149629 - 07/12/09 05:49 AM Re: which powder for .223 that will get 4000 fps [Re: keith]
DMB Offline
Campfire 'Bwana

Registered: 07/10/04
Posts: 13436
Loc: Grayling, MI
Originally Posted By: keith
I have a 223 with a 26" Hart with a Minimum SASMI spec chamber that will put all the bullets in the same hole at 4000 fps with the 40g Nosler.

I use IMI or Lapua brass
7 1/2 or BR-4 Primers
Vit N-133 powder.

My 26" 223 AI will shoot the 40g Noslers at 4200 with N-133, formed IMI brass and 7 1/2 primers.

N-133, Tough brass, and thick cup primers are the key, the minimum spec chamber with Zero freebore may help seal the gasses behind the bullet.

With N-133, I shoot the 50g Noslers at 3800-3850 fps into extremely tiny groups in the 223 AI....no brass issues yet.


Awesome!!!
Who did the gunsmithing for you on the rifle with the minimum chamber?
Incidentally, those Nosler 50's shoot very well in several 223's and 222 Mag's I have.
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#3150812 - 07/12/09 04:56 PM Re: which powder for .223 that will get 4000 fps [Re: kyreloader]
Enios Offline
Campfire Regular

Registered: 01/13/09
Posts: 265
Loc: NE Alabama
Originally Posted By: kyreloader
GS Custom HV 40g bullets with 28.5g (not 26g-misspoke earlier) of Benchmark shoots 3800 fps (3815 to be exact) in my FIL's 700SPS.

Your results may vary.

Think you can look, look, and look and at the most you will find 27.3 grains of Benchmark to be max you can find for the 40 grain bullet. If you decided to work up to that much powder be very careful. I get a snug bolt with 27grains in the summer so I have chosen 26.5 at a little over 3600fps. Newest Hornady manual only gives 26.4 for a max load.



Edited by Enios (07/12/09 04:56 PM)
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#3150832 - 07/12/09 05:02 PM Re: which powder for .223 that will get 4000 fps [Re: Enios]
whelennut Offline
Campfire Guide

Registered: 09/15/06
Posts: 4216
Loc: Minnesota
H335 might get you close to 3900 fps but you may need to use a 2 part epoxy to hold your primers in! smile
whelennut
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#3151053 - 07/12/09 06:04 PM Re: which powder for .223 that will get 4000 fps [Re: Toms22]
shoot4fun Online   content
Campfire Regular

Registered: 03/21/02
Posts: 671
Loc: New England
Why on earth do you feel you need to get 4000 from a 223 and a 40 grain bullet?

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#3151828 - 07/13/09 04:56 AM Re: which powder for .223 that will get 4000 fps [Re: Enios]
kyreloader Offline
Campfire Ranger

Registered: 02/07/07
Posts: 1538
Loc: Kentucky
Originally Posted By: Enios
Originally Posted By: kyreloader
GS Custom HV 40g bullets with 28.5g (not 26g-misspoke earlier) of Benchmark shoots 3800 fps (3815 to be exact) in my FIL's 700SPS.

Your results may vary.

Think you can look, look, and look and at the most you will find 27.3 grains of Benchmark to be max you can find for the 40 grain bullet. If you decided to work up to that much powder be very careful. I get a snug bolt with 27grains in the summer so I have chosen 26.5 at a little over 3600fps. Newest Hornady manual only gives 26.4 for a max load.



The driving bands on the GS Custom bullets allow you to load to higher velocities. On their website, they have 3800fps as the velocity to load for with that bullet/powder combo.

Start less and work up applies to everything reloading.

Simply stating that 3800fps is obtainable with 40g bullets in the .223.

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#3161451 - 07/17/09 11:47 AM Re: which powder for .223 that will get 4000 fps [Re: kyreloader]
Ohlsen Offline
Campfire Regular

Registered: 08/23/06
Posts: 273
Loc: Wisconsin
I have a 40X rebarrled by Hart Barrels with a 27" 1x14 twist barrel. I use IMI brass, CCI-450 primers, mollied 40 Nosler's and a good helping of WC-844 pull down powder. This breaks 4,000 FPS over my Oehler 35P at 10 ft.

Tom

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#3165464 - 07/19/09 08:24 AM Re: which powder for .223 that will get 4000 fps [Re: Toms22]
VarmintGuy Offline
Campfire Tracker

Registered: 05/22/03
Posts: 6674
Loc: SW Montana
Toms22: I have a couple of 223's that are shooting 40 grain Nosler Ballistic Tips and one of them I have checked on my Oehler chronograph at 3,363 F.P.S.! I have shot this load for years now and I am very pleased with it.
I would not even consider trying to crank those bullets from that Rifle (with its 25" Shilen barrel!) up to 4,000 F.P.S.!
The loading I am running in that 223 is extremely accurate and VERY lethal on all manner of Varmints.
I checked a couple of sources and safe maximum loads with 40 grain bullets seem to "top out" at 3,600 to 3,800 F.P.S.?
Yes faster means flatter and straighter but there is a limit (mandated by safety!), and 4,000 F.P.S. is a bit beyond the limit.
Best of luck with your 223.
Hold into the wind
VarmintGuy

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#3168040 - 07/20/09 12:20 PM Re: which powder for .223 that will get 4000 fps [Re: VarmintGuy]
17ACKLEYBEE Offline
Campfire Kahuna

Registered: 11/04/07
Posts: 19503
Loc: A wash in the west.
I'm with VG on this one. Say I have a couple of friends with .223 AI's they get just under 4K with 40's. If you really want to go there with a .223 get a .223 WSSM.


Edited by 17ACKLEYBEE (07/20/09 12:21 PM)
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#3168558 - 07/20/09 04:14 PM Re: which powder for .223 that will get 4000 fps [Re: 17ACKLEYBEE]
FVA Offline
Campfire Tracker

Registered: 08/18/02
Posts: 7240
Loc: NY
which powder for .223 that will get 4000 fps?

The powder that is in a 22-250 case.
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