SS109 load data help

[jglabe]

So a while back I purchased some SS109 62 grain steel core bullets from Wideners. I am now looking for load data to work up some loads. All I can find is data from accurate/ramshot. However, I don't have any powders in either brand. I would like to use the powders I already own (pretty much every kind of IMR, Hodgdon, and Winchester). Is there a place to get load data that I am missing? Or do I have to use data from a heavier bullet that has the same length? Any help or info would be much appreciated. Thanks

[joelogic]

I pretty much used 55gr data when loading the M855 bullets. Start low as the pressure will be higher since the bullet is longer.

[jglabe]

I figured I would have to do something like that. It would just be nice to see some published data to set my mind at ease. None of my books list the SS109 bullet.

[joelogic]

I just looked at hodgdon's webpage and they list 22-24 grs of h322 for 55-69 gr bullets. You are gtg

[jglabe]

Yeah I saw that too. Not too worried about it since there isn't a big difference in the "max load" data between 55gr and 69gr. I will just start low and watch for signs of overpressure.

[highpower790]

as an example i load 24.5gr of hogdon varget with a 75gr bullet,velocity out of a 20' barrel is 2800fps.

[Germz]

I found a random 62.8gr green tip bullet in an ammo can I picked up yesterday. loaded it in .223 brass with 25gr of varget (based of Hornady 9th data for 68gr. no data for 62gr.) to 2.245". Done sir done.

[SanPedroShooter]

Looking through my notes, I see that the recommended load with IMR4895 under SS109's is 24.5. That's just off the internet.

Lee has 63g bullets at 23.5 to start w/ H4895, 24.5 for Varget. The book says 2800 FPS, but my chronograph has me well under that.

I've been using 23.5 with H/IMR 4895 under SS109's with good results.

[gemini1]

Have you checked here? http://data.hodgdon.com/cartridge_load.asp

No data specifically for the 62 steel tip bullets. I used the 63 grain data, as suggested by others for my 62 FMJBT lead core using H335.

On a 16" barrel here's what I got;

24.2 grn OAL 2.222-2.230" Ave Vel 2758 ES 29.58 SD 11.66
24.4 grn OAL 2.245-2.252" AV 2861 ES 75.74 SD 20.07
24.6 grn OAL 2.247-2.255" AV 2889 ES 93.62 SD 29.24
24.8 grn OAL 2.246-2.255" AV 2939 ES 87.84 SD 22.04

[SanPedroShooter]

Could a 14.5 inch barrel explain the difference between the LEE books 2800 FPS and the 2500 I am getting?

[Noonanda]

YMMV but using SS109 bullets, H-335, 24.4 grains was giving me an Avg MV of 3020 FPS using CCI SR primers, LC 08 surplus brass with a COAL of 2.255 out of a 20" bull Barrel AR. Hope this helps, I worked this load up to roughly match M855 nato

[slixx1320]

My load with 62gr steel core using Win 748

OAL - 2.240"
Powder charge - 26gr (fps 2836 out of 16" barrel)
Primer - CCI SRP

[jglabe]

Thanks for all the replies. Awesome info here. I have a good place to start now. Thanks