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5/29/2017 5:35:05 AM
Posted: 8/26/2009 4:10:51 PM EDT
I'm kicking myself for not saving some data from .458socomforums.com now that it is down. I was wondering if a thread could be started here. just data, no long dialogues.
Link Posted: 8/26/2009 7:51:16 PM EDT
[Last Edit: 8/26/2009 7:51:59 PM EDT by FB41]
Here's a few from Ammo Guide (http://ammoguide.com/cgi-bin/ai.cgi?sn=BMZphYYaaW&catid=662)- use at your risk:

BULLET POWDER CHARGE M/V M/E

300 Barnes Alliant/Herc Reloder-7 44.0F 1930 2482
300 Remington Alliant/Herc Reloder-7 44.0F 1940 2508
500 Barnes Alliant/Herc 2400 17.0F 875 850
500 Hornady IMR-4198 19.4M 955 1013
550 Woodleigh Alliant/Herc 2400 17.0 920 1034
550 Woodleigh IMR 800-X 17.5F 1200 1759

M= MAXIMUM load
F= FULL Case

ETA: Table didn't embed for shit- sorry.
Link Posted: 8/27/2009 9:03:58 AM EDT
Originally Posted By gearhead721:
I'm kicking myself for not saving some data from .458socomforums.com now that it is down. I was wondering if a thread could be started here. just data, no long dialogues.


I saved a lot of the data from the 300 and 405 grain "bulk bullets" from midway. I'll post when I get home.

Cold mentioned in the AR variants section that they're switching to a new style/server or something to take care of the problems but it will take a while. I'm not sure how long a while is, but normally with IT and internet stuff its a priority and a while is only a few days. So I'm hoping that maybe by the weekend it'll be back up.
Link Posted: 8/27/2009 10:33:32 AM EDT
Do an advanced search on google looking just on the site: 458socomforums.com and click on the cached data and you will be able see past topics.
Link Posted: 8/27/2009 1:52:40 PM EDT
Originally Posted By dusten:
Do an advanced search on google looking just on the site: 458socomforums.com and click on the cached data and you will be able see past topics.


Ah, thats a great idea!
Link Posted: 8/27/2009 4:13:02 PM EDT
Here is what I saved from 458 socom forums months ago
Hope it helps
(right click-save as) and you'll always have them!






Link Posted: 8/27/2009 10:44:29 PM EDT
in addition to the charts posted above here are three loads I saved from various threads at 458socomforums.com



Oh Boy..........I think I found my go to load. 1 big hole at 25yd. to get a zero.
100yds.2in. using a holosight.I loaded...
40.0grs. H4198,
2.158 oal.
Hornady.458FTX 325 grain
.




I'm loading the Remington 405gr bullets seated so that the cannelure aligns with the case mouth.
My COL is just under 2.18". The case I just miked was at 2.175".
They are charged with 35gr RL-7 and cycle fine with no signs of excess pressure.
I have fired that load through the same brass about 4 times so far.




Hornady 300gr JHP
34.5 gr H110
CCI 350 pr
2.005 oal
group size.770" @100yds.
Link Posted: 8/28/2009 2:56:43 AM EDT
[Last Edit: 8/29/2009 6:34:00 PM EDT by gearhead721]
According to Dave Fortier's reloading data with Lil Gun:

405 Remy fp
29 grains
2.080 oal

300 Remy jhp
35 grains
2.020 oal

300 Barnes X
33 grains
2.260 oal

If you have the ability to compare the case volume under the bullet of any of these three to the FTX load, this should give you a place to start. Depending on your oal, I would start around 30 grains and work up.

Link Posted: 9/18/2009 2:51:41 AM EDT
loading 32gr of WW296 with an oal of 2.200. Velocity is around 1850 fps if I remember correctly with no pressure signs and 100% weapon function. This is with a 17" barrel. Groups are running 1.5" at 100 yds.These loads work for ME in MY weapon. Use at your own risk.
Link Posted: 9/18/2009 2:52:44 AM EDT
average velocity of 1764fps with 40gr of Re-7 with the 325gr FTX .05 off the lands, using Remington 2 1/2 primers.
Link Posted: 9/19/2009 8:31:36 PM EDT
Here is a load I worked up for my 16" RRA upper.


Barnes .458 SOCOM TAC-X bullets
H110 31.3 grains
Stareline brass
CCI 350 primers
2.255 overall length







Link Posted: 9/20/2009 5:49:25 AM EDT
Originally Posted By G-30:
Here is a load I worked up for my 16" RRA upper.


Barnes .458 SOCOM TAC-X bullets
H110 31.3 grains
Stareline brass
CCI 350 primers
2.255 overall length



http://i200.photobucket.com/albums/aa33/G-30/005-6.jpg



http://i200.photobucket.com/albums/aa33/G-30/004-10.jpg


Please tell us the range and target you shot to recover those bullets.

Nice pics.
Link Posted: 9/20/2009 8:46:23 AM EDT
Originally Posted By dryflash3:
Originally Posted By G-30:
Here is a load I worked up for my 16" RRA upper.


Barnes .458 SOCOM TAC-X bullets
H110 31.3 grains
Stareline brass
CCI 350 primers
2.255 overall length



http://i200.photobucket.com/albums/aa33/G-30/005-6.jpg



http://i200.photobucket.com/albums/aa33/G-30/004-10.jpg


Please tell us the range and target you shot to recover those bullets.

Nice pics.


Those were shot 100 yards into 18" of wet phone book and went through 15" to 16"

Link Posted: 9/20/2009 10:20:17 AM EDT
lol i was gonna post some of my data but it looks like I got beat to it.

I can still contribute a bit I suppose..

458 SOCOM
300gr Remington JHP
Remington 2½ Large Pistol Primers
41.5gr Reloder-7
OAL: 2.08"

Cycles, no high pressure signs, velocities were above 1760fps

Reloder-7 seems to yield lower velocities when compared to other powders, but it does allow for a complete case fill.


458 SOCOM
500gr Hornady DGS
Remington 2½ Large Pistol Primers
23.7gr-26gr Reloder-7
OAL: 2.250"

23.7gr charge has very light recoil but still cycles. 26gr felt more stout but did not produce any high pressure signs. I suspect velocity is just under the supersonic threshhold for the 23.7gr charge and a bit faster than 1200fps for the 26gr charge.
Link Posted: 10/17/2009 4:33:09 AM EDT
36.5 grains of W296
WLP primer
Remington 300 grain JHP
Hornady dies with Lee factory crimp (light to medium crimp)
2020 fps from 16" TJ upper
ymmv
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