Absolute Hammer load data

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mtJim

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If you have not already, you'll want to confirm your .270 wby barrel has a 1:9 twist. Most are 1:10, and the 139gr Absolute will not achieve adequate stability in a 'factory' twist barrel
The wby is currently at the smith getting a new 24" 1:8 Lilja screwed on. The creedmoor has a 1:7 and is currently shooting the 77gr Barnes LRX to .5 MOA. Biggest reason I'm trying the 22 cal hammers is there are no 77gr LRX on planet earth.
 
ButterBean

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I'm just switching to the absolutes in couple of rifles and looking for some advice. I'm going to try the 139gr in a 270 Weatherby and the 73gr in a 22 creedmoor gas gun. Any suggestions on starting powders/burn ranges? When they say the absolutes like a fast powder, is it fast for caliber, or whole nother burn range fast? I'm thinking H4831 range for the weatherby, but could go H4350 or even H414. For the creedmoor I was thinking something in the H4350 range, or up to H414, could even go IMR4064. Powders I have are IMR4064, H414/W760, IMR4350, H4350, StaBall, Ramshot Hunter, H4831SC, MRP, Magpro.

Another question, is neck tension a substitute for crimp? I found a Lee Factory crimp die for the weatherby, but haven't been able to find one for the creedmoor. Would a smaller bushing be sufficient, or would a 22-250 crimp die work on the creedmoor?

Thanks
H4350 for the Roy, Varget or faster for the Beanmoor and neck tension will help but it's not a substitute for the FCD
 
Hand Skills

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The wby is currently at the smith getting a new 24" 1:8 Lilja screwed on. The creedmoor has a 1:7 and is currently shooting the 77gr Barnes LRX to .5 MOA. Biggest reason I'm trying the 22 cal hammers is there are no 77gr LRX on planet earth.

Awesome! I think you are right in the ballpark with burn rate. I think H414 is likely to offer the most potential in the Weatherby, personally that is where I would start. Sorry I can't be of more help, but it sounds like your re on the right path. As yet, I have no experience with the 22CM
 
GLTaylor

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Speaking of not believing things.... when are we seeing some data on the new 100gn Shock Hammer from the 300 RUM? Now that 30-06 meat season is over I need to get back to the big stick.
Got 30 cal barrels at the smith now. Tests forthcoming from some of us sooner.
 
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mtJim

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H4350 for the Roy, Varget or faster for the Beanmoor and neck tension will help but it's not a substitute for the FCD

Awesome! I think you are right in the ballpark with burn rate. I think H414 is likely to offer the most potential in the Weatherby, personally that is where I would start. Sorry I can't be of more help, but it sounds like your re on the right path. As yet, I have no experience with the 22CM

4350 was my plan

Thanks. In the Roy I'll run up a H414 and H4350 ladder and let the target and magnetospeed decide. I'll start with the IMR4064 in the CM.
When I finally get around to shooting I'll post some results.

Any suggestions on how to do a crimp on the CM with a LFCD not available?
 
ButterBean

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Thanks. In the Roy I'll run up a H414 and H4350 ladder and let the target and magnetospeed decide. I'll start with the IMR4064 in the CM.
When I finally get around to shooting I'll post some results.

Any suggestions on how to do a crimp on the CM with a LFCD not available?
We can modify one most likely
 
Hand Skills

Hand Skills

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Thanks. In the Roy I'll run up a H414 and H4350 ladder and let the target and magnetospeed decide. I'll start with the IMR4064 in the CM.
When I finally get around to shooting I'll post some results.

Any suggestions on how to do a crimp on the CM with a LFCD not available?

Which seating die(s) have you got? A lot of seating dies have a crimp feature built into them. Confirm first, obviously, but it might be as simple as backing out the seater and then turning down the die. I have done this with in absence of a FCD.

The Lee version is preferable, however, and if Butterbean can set you up, you are all good!
 
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mtJim

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Which seating die(s) have you got? A lot of seating dies have a crimp feature built into them. Confirm first, obviously, but it might be as simple as backing out the seater and then turning down the die. I have done this with in absence of a FCD.

The Lee version is preferable, however, and if Butterbean can set you up, you are all good!

I have the Hornady Custom Grade New Dimension seater. I could crimp with the seating die, but I agree the Lee would be preferable. Lee says the 22-250 LFCD works for 22-250 and 22-250AI. Wouldn't this work for the CM as it should fall somewhere in between the two - almost a 22-250 with a 30 deg shoulder? 22-250 can be fireformed to 22CM.

We can modify one most likely

What would I need to start with to modify?
 
ButterBean

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I have the Hornady Custom Grade New Dimension seater. I could crimp with the seating die, but I agree the Lee would be preferable. Lee says the 22-250 LFCD works for 22-250 and 22-250AI. Wouldn't this work for the CM as it should fall somewhere in between the two - almost a 22-250 with a 30 deg shoulder? 22-250 can be fireformed to 22CM.



What would I need to start with to modify?
It will work if the trim length is the same
 
just_jon

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Speaking of not believing things.... when are we seeing some data on the new 100gn Shock Hammer from the 300 RUM? Now that 30-06 meat season is over I need to get back to the big stick.
I have a ladder test ready to go in 300WM. Just need some warmer weather. They sure look funny though.
 

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