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338 Norma Review By Ward W. Brien

 
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  #155  
Old 05-27-2012, 02:45 PM
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Re: 338 Norma Review By Ward W. Brien

Ward,

In your article you give load data that you hit the precision node at 82,5 and 84,2 grs of Re 22.

Re 22 is the Bofors produced powder with manufacturers name RP 15 sold under the varous generic names Norma MRP, Re 22, Rhino 22, Rws 905 and so on.

On Norma's swedish website they list loads of 75-80 grs of Norma MRP powder for velocities of 24-2600f/s with a 300 MK bullet.

In you testing did you use any kind of pressure testing equpment like a pressure trace or similar or do you know of any tests performed on the US side since there is quite a bit of difference of the loads that are published from Norma and you. Do you know pressure testing of the loads containing 84 grs of Re 22 behind the 300 MK?

I'm about to build one on a Stiller Tac 338 to make sure the added trust of a .580 case head will not kill a regular 700 LA next to my face. Since we have always had great success with Hart barrels I thought to use one this time as well, and put it all in a Manners T-4A stock. Muzzle will wear one of our suppressors and top it all with a Hensoldt 4-16FF should make it a fairly hard hitting dual purpose LR/LRH gun.
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  #156  
Old 06-06-2012, 09:02 AM
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Re: 338 Norma Review By Ward W. Brien

Any one that can shed some light on the pressure of the loads in the 338 Norma Mag in the review.

I know Re 22 is quite a bit temperature sensitive and may give much lower pressures under cold conditions. Just thought the loads on www.norma.cc and in the article a bit far off one another.

Since I am more than a little interested in building one some pressure data or informastion regarding pressure would be highly appreciated.

Norma's data is fairly far behind both what is possible with 338 Lapua and Edge - and to give away 200f/s by going for the smaller case - maybe not.

Last edited by Sauer 150; 06-06-2012 at 09:04 AM. Reason: Typos
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  #157  
Old 06-06-2012, 06:19 PM
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Re: 338 Norma Review By Ward W. Brien

Go to snipers hide and look up 338 Norma.Miles of info,and there are guys there really pushing it.Several guys have them in my area,built buy Proof and the stock division manager shoots one. He was using up to 92 gr. Retumbo and 300 smk and cci250,uses 300 otm also. They shot 3-4 speed goats last season out to 1300+.I get 2725-50, out of 87,5 Retumbo,300 otm,fed 215m.Ihave spread my shooting out on brass,barrel 26'', but on 6 reload on fist box.
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  #158  
Old 06-10-2012, 09:36 PM
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Re: 338 Norma Review By Ward W. Brien

What the heck are all of you guys using to trim your 338 Norma cases. I currently have a rcbs trimmer but can't find a shell holder or any trimmer that has one for that matter.
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  #159  
Old 06-11-2012, 09:05 AM
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Re: 338 Norma Review By Ward W. Brien

Quote:
Originally Posted by TXshooter View Post
What the heck are all of you guys using to trim your 338 Norma cases. I currently have a rcbs trimmer but can't find a shell holder or any trimmer that has one for that matter.
If I understand your question, you might pick up a .416 Rigby or .338 Lapua RCBS shell holder, the parent case is the Rigby.
436
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  #160  
Old 06-11-2012, 02:26 PM
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Re: 338 Norma Review By Ward W. Brien

Tried the 416 one and it is too small for the case
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  #161  
Old 06-11-2012, 02:28 PM
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Re: 338 Norma Review By Ward W. Brien

Also my understanding is that the Norma brass is slightly thicker at the base than the lapua brass
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