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Shooting & Reloading - Mausers, Big Bores and others >> Cast Bullets
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209jones
.224 member


Reged: 29/05/11
Posts: 13
Loc: Calgary AB
saeco 740 mould for 450/400NE in Ruger #1
      #185994 - 17/07/11 05:49 PM

Today at least was a partial FAIL using a Saeco 740 mould for my 450/400. Cast some straight wheelweights, they came out at .40975 or so. Stuffed one down the muzzle, one handed it thru.
Saeco says it should go .412 with Lawrence Magnum shot. Well, that may be,not this one with wheelweights anyway. I have some Canadian Extra hard shot here, see what that does for me in the AM I guess. I did manage to get the gun slugged,.410 at the muzzle and .4115 in the throat.

I noticed 470Evans had posted in 2006 on using IMR4064 with 300 Horn and the 400 Woodleigh. I also found some data on it with 400gr bullets and some othere powders in Grurifrasca.net. Anyone else tried 4064 in the 450/400?

And , has anyone seen anything on using Sr4759 in it? I see stuf for SR4759 on the 416Ruger and Rigby,
perhaps no one has tried 4759 yet?

Edited by 209jones (17/07/11 05:52 PM)

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209jones
.224 member


Reged: 29/05/11
Posts: 13
Loc: Calgary AB
Re: saeco 740 mould for 450/400NE in Ruger #1 [Re: 209jones]
      #188538 - 25/08/11 07:22 PM

The hard shot brought it up to .4115, but for some reason I was still getting some small ones in there. Was not consistent with that batch of shot blend. I was quite surprised with that issue.
In the meantime I picked up two LBT moulds for it, both .412 nominal. One is a 320grWFN-GC and the other is a 400grLFN-GC. They both turned out .4135 dia with wheelweights and 1/20. They also came out average 2 gr heavier than marked with those blends. They were both cut to use .416 gator checks,put them on thru a .412 sizer from Buffalo Arms with some LBT soft blue lube. The sizer brought them down to .4125.
Now I am in the hurry up and wait mode for an M-die expander from Buffalo, hopefully it will arrive in the next couple of days.
I will load up some rounds with Trailboss, 5744 and very likely some H4831 for the first session at it.

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DarylSModerator
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Re: saeco 740 mould for 450/400NE in Ruger #1 [Re: 209jones]
      #188563 - 26/08/11 01:47 AM

Keep us posted on the LBT bullet shooting.

Nasty when a mould throws undersized bullets.

I like cast bullets .001" to .002" larger than the rifle's groove diameter. Make sure they chamber easily and that a bullet can shove into a fired case's mouth - especially with jacketed bullets.

WW usually casts quite large compared with softer alloys. CDN wheelweight also have higher antimony content than US weights - usually, but times change.

Apparently solid tin (Sn?) WW are showing up somewhere - heard that. I want some.

--------------------
Daryl


"a gun without hammers is like a Spaniel without ears" King George V

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209jones
.224 member


Reged: 29/05/11
Posts: 13
Loc: Calgary AB
Re: saeco 740 mould for 450/400NE in Ruger #1 [Re: DarylS]
      #190038 - 17/09/11 04:23 AM

The LBT bullets sized at .411 or .412 would not chamber unless I flipped the bullet over and sized the nose to .410 down to the crimp groove.. Then I could seat them to the crimp groove and they would chamber perfectly. The crimp ring was catching them at .412 as well. With the body sized at .412 and seated the neck OD was .435, the chamber is .443. Now to get out and shoot them.

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209jones
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Reged: 29/05/11
Posts: 13
Loc: Calgary AB
Re: saeco 740 mould for 450/400NE in Ruger #1 [Re: 209jones]
      #190757 - 26/09/11 12:47 PM

So, the sizing the nose to .410 worked, til I got to the range. It appears this blend has some springback to it. Had to apply a little force to semi-breechseat a few of them, they shot just fine, which they should, when jammed into the lands about a rim's thickness and a bit.Measured some when I got home, the nose was back at .412 again.
Ran them with 45-48gr of AA5744, no pressure signs at all with the 48gr load, even when semi-breechseated. they chrono'd at 1975-2000fps (Oehler 35P) with the 320gr LBT WFN-GC with the 416 Gator checks on them.Shot only 8 rds as I didn't have "proper" equipt with me to drive them in. No sign of leading. About a 3" offhand group at 50, same at 100 off the bench, I wasn't trying too hard to shoot groups. bit windy.
Used the LBT Blue soft lube.
Turning the existing crimp groove into another lube groove and cutting another crimp groove forward of it at the same spacing would cure this issue.
And they are a whole bunch nicer to shoot than the 400gr DGX or DGS factory loads. I shot a box of those off today as well. I have yet to get them shooting over 2037 avg. I am starting to get a feel for this gun, like it.
So, next loading will be the 48gr load of AA5744 again with the 320LBT and I will size them full length at .411 and not crimp them, just seat a bit deeper and try it that way.

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209jones
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Reged: 29/05/11
Posts: 13
Loc: Calgary AB
Re: saeco 740 mould for 450/400NE in Ruger #1 [Re: 209jones]
      #192343 - 23/10/11 03:06 AM

I picked up a Lyman M die for the 405win (7342387), works beautifully with the 450/400 case. Expander in it was a .410-.412, which happened to be just what I wanted for the LBT bullets. Saves disassembling the Hornady seater die to put the Lyman M style expander into it to do the cases with. In talking with Hornady, the slip collar for the 450/400NE 3" die is the same one as the 405win, with a .415 dia. crimper in it. They will supply custom expanders or different sized collars for the sizing die & seating die, special order. 800-338-3220 ext 261, Ben Syring. And of course the Buffalo Arms custom expanders will fit the M-die or can be installed in the Hornady seater die.I think the BAC custom expanders come from C&H, so they can likely be ordered there also. I think perhaps if I had this to do all over again I might go to C&H for the complete die set, they will set up the dies for whatever combos you want, all from one place, about a 200.00 touch though.

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DarylSModerator
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Reged: 10/08/05
Posts: 26994
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Re: saeco 740 mould for 450/400NE in Ruger #1 [Re: 209jones]
      #192346 - 23/10/11 03:48 AM

Sounds like you've got it figured out now.

Tight leades/some call the whole thing a tight throat, can be a pain until you get things sorted out. Having to size a 2 diameter bullet to properly fit is just one of the 'problems' that needs solving for some rifles.

With a ctg. that can easily shoot cast bullets at the same ballistics as factory loads makes for very cheap practise.

I've not had good luck with CH making dies to match the brass that was sent. This soured me on recommending them for any custom work. I have, on the other hand, had good luck with Hornady - finding them easy to get along with.

--------------------
Daryl


"a gun without hammers is like a Spaniel without ears" King George V

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209jones
.224 member


Reged: 29/05/11
Posts: 13
Loc: Calgary AB
Re: saeco 740 mould for 450/400NE in Ruger #1 [Re: DarylS]
      #192579 - 27/10/11 01:15 AM

Loaded up some of the 400gr LBT LFN last nite, 42-46gr AA5744, F215. This time I will remember to take the screens for the chrono with me. Ran the 320WFN up to 52gr AA5744 w/cci250, ended up about 6in left and high on that exercise from where the 48gr load shot, it was still shooting groups over there, not great ones, but, groups that would kill whatever I wanted at 100yds.No pressure signs, once again with some semi-breechseaters. I reloaded some more with 48gr and will test them again today. After I go get a belt cartridge holder and search for a new decap rod for the sizer. Did a real number on it. Hornady brass has a seriously convex base in it around the flash hole, can be hard on the pins and stem. I've had 4 dud rounds so far, all were charged with the CCI250.All the primers still had unused primer compound in them. Can't blame bullet or sizing lube, powder was clean when it was poured out again, reused it.

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209jones
.224 member


Reged: 29/05/11
Posts: 13
Loc: Calgary AB
Re: saeco 740 mould for 450/400NE in Ruger #1 [Re: 209jones]
      #192687 - 28/10/11 01:41 PM

Got out today, kinda cool (35-40degF) and wind was gusting to 40Km or so. Used 48gr AA5744 with the 320gr and 42-46gr with the 400gr. Used F215 in all of them. Both bullets were sixed 412 on the bands and 410 on the nose down to the crimp ring.
Didn't have any semi breechseaters in this bunch, no duds either.
48gr AA5744 with the 320gr LBT WFN load ran 2041 avg, 15fps SD.
42-46gr AA5744 with the 400gr LBT LFN ran 1711 to 1885 fps, came out slower than what I was hoping to see. Noticed the difference in recoil though.
So I've settled on the 320gr for the hunting load for this time period. It shoots good enough to kill sumthin.

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