37xc Die set question

[Roadrace33]

So I have had a 33 and 37xc barrel sitting around for my AXSR for a while, and it finally dawned on me, I never ordered a set of dies.

What is the general consensus for dies for this caliber? Is David Tubbs set the go to?

If his is, fine by me, but he’s outta stock for 5-6 weeks I’m told. I’ll wait for them, no big deal but I wanted to see what everyone else had to say.

Thanks

 

[Taylorbok]

I know a few people that use the dies from Tubb and are all happy.
I do see forester offers a set, personally I'd get which ever I could get faster

 

[BCX]

I run the Tubb dies w no issues. I will be ordering a Forster comp seating die w a honed stem for my 37xc. The Tubb seater I will continue to use for my 33xc. I believe the Tubb seater is actually made by Whidden.

 

[A5scott]

I run the Tubb dies w no issues. I will be ordering a Forster comp seating die w a honed stem for my 37xc. The Tubb seater I will continue to use for my 33xc. I believe the Tubb seater is actually made by Whidden.

Since you are honing the stem for a 33xc Forster die, do you think the same thing can be done for a LE Wilson Arbor seating die to go from 33 to 37xc? Or even just ask for the 375 stem LE Wilson use in the 375CT arbor seater. The neck area of the die should need some opening up as well.

Thanks,
Scott

 

[Roadrace33]

Forster is actually only 45 mins from my house. I may give theirs a try for the time being. I have used their stuff in the past. It works, but they're typically not my first choice.

On the 37XC topic, has anyone run the 375 GR Lazers?
I was able to find 100 - 400 GR Lazers, but thats all. Thinking i may play with the 375's since they seem in stock much more.

I am coming from loading 338 Lapua as the largest caliber, and ive never touched a Mono bullet so this is a learning experience. My barrel is 36" Bartlein 1:8 Twist.

 

[Taylorbok]

Forster is actually only 45 mins from my house. I may give theirs a try for the time being. I have used their stuff in the past. It works, but they're typically not my first choice.

On the 37XC topic, has anyone run the 375 GR Lazers?
I was able to find 100 - 400 GR Lazers, but thats all. Thinking i may play with the 375's since they seem in stock much more.

I am coming from loading 338 Lapua as the largest caliber, and ive never touched a Mono bullet so this is a learning experience. My barrel is 36" Bartlein 1:8 Twist.

In my 375 RUM-IMP I've shot the 425, 400 and 375 Lazer and also 390 A-tips.
the 400's and 375's get the same velocity before I run out of case capacity (2840 fps ish).
The 425 Lazer is about 80ft/s slower.
A-tip's shoot a touch faster at 2880.

In my rifle the drag model from AB for the 400 Lazer falls apart around 2400 Yards.
I haven't checked the others really.

 

[Rocketmandb]

I have the Tubb die for sizing and had Warner Tool make me a custom seater. I'm not overly fond of the Tubb sizing die as, while it has a bushing, you can (at least when I checked) only get one size! The Warner Tool die is a work of art. My only complaint is that it's too perfect. It will form a light seal when I seat, which takes an extra little bit to get out without a "pop."

 

[Rocketmandb]

I am coming from loading 338 Lapua as the largest caliber, and ive never touched a Mono bullet so this is a learning experience. My barrel is 36" Bartlein 1:8 Twist.

I have posted this many times before and will do so many more times in the future...

I dislike solids for ELR. No splash and limited ability to move a heavy steel target at longer ranges.

 

[Rocketmandb]

Since you are honing the stem for a 33xc Forster die, do you think the same thing can be done for a LE Wilson Arbor seating die to go from 33 to 37xc?

I tried, and the answer is no. However, they do have one for .375 CT. You could potentially call them and see if they could do something custom with that body. I'm not sure if they do custom work, however.

 

[A5scott]

I tried, and the answer is no. However, they do have one for .375 CT. You could potentially call them and see if they could do something custom with that body. I'm not sure if they do custom work, however.

They said they wouldn't do a custom 37xc seater

 

[Roadrace33]

I ordered Forster’s seater. I’m probably going to wait for Tubbs sizer. I’ve had a few of forsters sizers and just wasn’t totally happy. Who knows. I may change my mind and try one.

As far as solids vs lead, I can see it both ways. I will likely try both, not sure if an 1:8T will over spin a Berger 410 or Hornady a tip. Where I shoot, seeing splash at my long distance targets is very hard to see with my 338. So at this point I will just have to accept that I will more than likely see even less with the solids.

I’ve read tubbs pdf of the details, but who has used H50 bmg for powder? I have a brand new 8lbs of it, I also have n570 and retumbo.

Speaking with David on the phone he wasn’t very fond of 50BMG powder.

 

[Rocketmandb]

As far as solids vs lead, I can see it both ways. I will likely try both, not sure if an 1:8T will over spin a Berger 410 or Hornady a tip.

I'm shooting the 410s out of a 1:8 and, while I'm still in load dev, they seem to be doing fine.

Where I shoot, seeing splash at my long distance targets is very hard to see with my 338. So at this point I will just have to accept that I will more than likely see even less with the solids.

Last time I shot the 37XC at range with solids, I was doing so at a target at about 2300 yards. Ground was dry on top, but slightly damp under the surface. This yielded very limited dust trace. I also had my 300 PRC with me and shot at the same target. I could see both hits and misses better with the 300 PRC shooting Berger 230s at 2860 fps than I did with the 37XC shooting 353gr Lehigh solids at >3000 fps.

Not enjoyable to shoot like that.

 

[Rocketmandb]

I’ve read tubbs pdf of the details, but who has used H50 bmg for powder? I have a brand new 8lbs of it, I also have n570 and retumbo.

I'm doing load dev with N570 now - ~116gr with the 410s. I was about to get into seating depth testing when I my back gave me issues - I haven't shot anything since, and I don't think going back to the range for the first time with the 37XC is a good idea. I'm thinking about heading out this weekend, but I'll be taking my 6 BRA to get back into the groove of things.

 

[secondofangle2]

And 570 is probably going to give top speed, it is also going to deep throat your pipe. I mean, it’s truly amazing how much faster it burns up a barrel speed doesn’t come for free.

 

[Roadrace33]

And 570 is probably going to give top speed, it is also going to deep throat your pipe. I mean, it’s truly amazing how much faster it burns up a barrel speed doesn’t come for free.

I ran it in a 300 Norma, and it was incredible, both the speed and how fast it wrecked my barrel LOL! Retumbo works great in my 300 PRC and my 300 Norma, and i have about 16LBS. I was probably going to try H50BMG first though..

 

[Taylorbok]

I ran it in a 300 Norma, and it was incredible, both the speed and how fast it wrecked my barrel LOL! Retumbo works great in my 300 PRC and my 300 Norma, and i have about 16LBS. I was probably going to try H50BMG first though..

I have a buddy who ran RL50 in a 33XC, don't really know anything about his load other than it was over pressure lol.

 

[Roadrace33]

Getting around to measuring CBTO to get some initial loads worked up, and ran into an issue. For every other caliber I load i just use a Hornady OAL tool. Stick it into the chamber, push the rod till the bullet touches the lands, and start at .020 off the lands from there. When I do this, the 400 gr lazer is literally almost falling out of the case in order for the bullet to touch the lands.

Is the method for seating the CEB Lazers different since it has the sealtite band? The barrel has a .225 FB, which was recommended by Tubb. I didn't measure it before i left for work, but its sticking out about .25" past the sealtite band.

 

[Taylorbok]

Getting around to measuring CBTO to get some initial loads worked up, and ran into an issue. For every other caliber I load i just use a Hornady OAL tool. Stick it into the chamber, push the rod till the bullet touches the lands, and start at .020 off the lands from there. When I do this, the 400 gr lazer is literally almost falling out of the case in order for the bullet to touch the lands.

Is the method for seating the CEB Lazers different since it has the sealtite band? The barrel has a .225 FB, which was recommended by Tubb. I didn't measure it before i left for work, but its sticking out about .25" past the sealtite band.

You can probably shoot mono's or cup and core bullets in that chamber. Just stick the bullet into the case until you are comfortable with how much the neck is holding it.

 

[secondofangle2]

CEB recommends loading to the seal band

I always took that as a piece of evidence that distance to lands doesn’t matter

But it also may be why solids are harder to get to shoot

 

[Taylorbok]

CEB recommends loading to the seal band

That is the first thing they say, but then if you go on to read more it basically says put it where ever you want/ works for you, just don't shove it to far down into the case neck.

I hang mine pretty far out there cause I have a long throat and don't wanna give up case capacity.

I've thought about getting another reamer with a shorter throat for solids only because I think I'm giving up some velocity to pressure loss, I'm jumping them roughly 150 thou

 

[Roadrace33]

Got it. Thanks guys.

Ill load some up just forward of the band, and send it.

Ill re-measure and post when i get back tonight, but my guess is if loaded just forward of the band, id be 200-220 thou...seems crazy, but hey it just may work..

@Taylorbok , so the Mono's need to be seated much further out because the nose length is much longer than it is on the lead cores? Basically pushing the ogive further back, when compared to a lead core like a berger 410 or 390 ATIP? Just trying to understand these new to me bullets..

 

[Taylorbok]

This page might help you a bit.

https://cuttingedgebullets.com/blogs/news/reloading-instructions

The Ogive of the bullet is still in the same spot, based on the actual definition. but the first part to actually engrave is much farther back due to the bore rider design.

If I seated the band to my case mouth I'd be jumping them 250+ that's why I hang it out far as possible.

Yes mono's are longer but that's not the reason here, it's more about the design of Lazers specifically
Some other Mono's engrave at different points so you need to treat each one different if you're gonna play with other brands.

 

[Taylorbok]

I talked to one buddy with his 33XC they did use H50.
He said with 300 gr Bergers they would start at 118gr and usually tune around 120-124
if that helps you at all.

 

[Roadrace33]

This page might help you a bit.

https://cuttingedgebullets.com/blogs/news/reloading-instructions

The Ogive of the bullet is still in the same spot, based on the actual definition. but the first part to actually engrave is much farther back due to the bore rider design.

If I seated the band to my case mouth I'd be jumping them 250+ that's why I hang it out far as possible.

Yes mono's are longer but that's not the reason here, it's more about the design of Lazers specifically
Some other Mono's engrave at different points so you need to treat each one different if you're gonna play with other brands.

Thank you sir!