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kodydowney
I’ve been casting the HTC .459 500 grain projectile for a 458 socom. I love heavy bullets and got to thinking…I would love a 4 pin set 600 grain(with the flat nose pin installed) hp mould for 458 socom. I think the heavy bullet would be amazing for expansion. I know most moulds have 3 pins included flat, short and long. I would like to see this mould with 4 pins. Flat, short, long and longer for a deep hp cavity. I would like to see a similar profile to the 500 grain bullet. I posted this on the 458 socom Facebook page and have 5 guys interested already. I will urge them to sign up here on this forum so they can get in line. Anyone here interested in this? I have a name picked out as well MOAB (mother of all bullets). Thanks!
1.darksoldier300-no groove
2.bsev81-either
3.magnum mike-no groove
4.hayfieldfarm-no groove
5.bullseye baldee-crimp groove
6.raffica 762-crimp groove
7.bmike-crimp groove
8.cornmastah-no groove
9.jamesbousman-crimp groove
10.intel6-either
11.dreg-prefers groove but good with none.
12.akfshmn-crimp groove will accept no groove
13.andarxx-prefers no groove will accept groove
14.daviscustom-no groove
15.arwildcat- no groove
16.schizm-
17.dreg-no groove
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kodydowney-
Replies
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brettsevert
jamesdavis
I definitely think the 500 grain hp would be awesome as well but I really want the 600 grain to work in the socom. Think how sweet it will sound to say this is the 458 socom 600 grain MOAB! This is beyond my knowledge so I will ask you more knowledgeable folk, how dangerous would compressed loads be with this bullet? From what I understand it’s a different ball’s game? Curious as to what you find out with your 500 grain seating experiment.
Most of my 500 grain loads are in the vicinity of 50% filled by Quickload’s estimation, so I can’t imagine that there won’t be enough room for me to do what I need to, plus it should make the pressure/burn rate more consistent since it will put me closer to a 100% fill. One caviat….or maybe two….I am shooting these rounds in a bolt gun,so no need to make an action cycle…..and I generally shoot for about 950 fps so not trying to push the limits at all.
That all being said, I am interested if we stay with the 600 grain size, but it wouldn’t hurt my feelings if we went to a nose design that allowed the bullet to be seated a little further forward just in case.
Full.Lead.Taco
Not sure how helpful this will be but here are my findings. I had a piece of scrap brass that I could slide the 500 grain bullet in and out of to gently place it on top of the powder.
X represents my standard charge of Accurate 1680 for 975 – 1000 fps from my 10.5″ barrel with the 500 SP bullet.
Charge. Distance from power to case mouth
X. .905″
X – 1 grain .924″
X – 2 grains .945″
X – 3 grains. .961″I dropped three grains because I’m not sure how much the load for the 600 grain will be reduced from our favorite 500 grain loads to match velocity.
Going off of the info cornmastah provided it seems more dense ball powders should be able to work with few issues. All depending on how far out you can seat the bullet in your rifle. It wouldnt take much adjustment to the nose profile to allow those with current issues to seat this out far enough to work.
Intel6
Went home and seated one of the bullets to fit (my) gun with (my) powder coat. Here is what it looks like if it were extended to be a 600gr bullet. I measured how much of the bullet is out of the case and how much is inside the case.
(.858 in the case and .572 outside of the case)
Great pic. You can see what I was thinking, if I had to seat them to the crimp groove then I would be that much deeper in the case.
I honestly don’t know how much is too much intrusion in the case? Is there some sort of standard?
Just out of curiosity, what manufacturer barrel do you have Intel6?
I meant to include that. I am shooting a Rock River Arms carbine which uses the correct spec reamer and I use Marty’s gauge when I reload. I figure I may just have minimum headspace tolerances and just have to make do. I was having intermittent bolt lockup problems and they went away when I started seating the bullets at the CG. I wasn’t sure if it was caused by the thicker PC as that was all I changed? I was seating them longer when I shot HT coated bullets but my powder coat doesn’t look any different than FLT’s pic above? Below is a pic of my loads with HT coated bullets showing the same length everyone else is loading to.
Anyway, I certainly don’t want to put a damper on all the excitement of this design. Just wanted to add my input to make sure we are coming up with the best design possible.
brettsevert
jamesdavis
am I wrong?
Intel6
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