6br norma/remington?

[Junkout]

I have a redding S type dies that are labeled 6br remington.
I've searched for the simple question but have read opposing answers.
Can I reload my 6br norma with the 6br remington dies? I know the OAL is different. But is there another reason?

 

[strut64]

I have read that the difference between Norma and Remington is in the neck length. All other dimensions are the same. Norma increased the length to prevent longer bullets from taking up too much space. the older Remington spec has been more or less obsoleted. I would not shoot Norma brass in an older Remington spec chamber. I am not an expert and may be some one with more knowledge will add to this.

 

[Shynloco]

I can't speak to the previous posters comments. What I can say is that I use a Redding S Die (in my 6mmbr and have for several years) that reads "6br Rem" and the brass I use is Lapua 6mm Norma. Both have worked very well together and have produced some very tight groups downrange. Hope that helps.

Alex

 

[bdale]

I had the same concern with my 6br Norma target rifle was using Redding dies marked 6mm BR Remington , called Redding and the tech. I talk to said the new dies were made standard to 6mmBR Norma and had been for some time. These were Competition dies by the way.

 

[amamnn]

As I understand it, the Norma improved 6BR Remington differs only in the length of the neck from the original Remington design. This was done in order to accommodate heavier (longer) bullets, allowing them to be seated without the bullet base protruding too far into the case and so adversely affect accuracy.

Unless a die is more than 5 years old, or specifically states that it is made to form the old case, you can be pretty well assured that it is built to form the improved cartridge. We could fix this confusion were we all (6br shooters or wannabes) to complain to all the manufacturers and demand that they use current, correct terminology., or not buy products that were labeled incorrectly, or both.

 

[Junkout]

Thank you for all the input. Im pretty sure they will work too but I'm going to call redding and confirm. Thank you again for the help

 

[comagutsa]

I have the redding comp dies and they are labelled 6br rem. They are for 6br norma and I've had no problems with my lapua brass... yeah its the case of they need to update the name on them.. everyone get confused

 

[OIF/OEF]

I shoot 6BR Norma, Lapua and Remington out of the same rifle. All brass is prepped the same theres even 7BR Remington brass in there it all shoots great. Never knew there may be a difference?



Very Respectfully

 

[Canadian bushman]

I can't speak to the previous posters comments. What I can say is that I use a Redding S Die (in my 6mmbr and have for several years) that reads "6br Rem" and the brass I use is Lapua 6mm Norma. Both have worked very well together and have produced some very tight groups downrange. Hope that helps.

Alex

+1.

 

[Junkout]

I referenced the part number on redding Wed site and it comes up 6br norma. Not sure why I it don't check there first

 

[Harnic]

I built a 6mmBR 7 years ago using a Hart 1-9 stainless barrel on a Ruger #1 action. It's a super accurate rifle, but the Lapua 6mmBR Norma brass I bought is extremely tight chambering in my Remington chamber. I have a 3 piece set of Redding dies including a neck sizer, which I can't use. I ended up making a small base sizer die from an old 6mm CHeetah die set because my thumb gets sore trying to shove neck sized Norma brass into the chamber deep enough for the breech block to close. I suggest there is a rather substantial difference in case diameter just ahead of the web. A Cerrosafe cast shows all other dimentions to be compatible including length.

 

[KevinThomas]

Just a quick update on the Remington/Norma case issue. The current cases are identical, and can be used in either chamber. The reasons for the different designations is the chamber, or more precisely, the throat and twist rates. SAAMI is a voluntary organization, but one with which most members readily comply to ensure compatibility between all the various components and parts we deal with. CIP, on the other hand has force of law over member companies, and can not only dictate some aspects such as case designations and identification, but can actually shut a member company down if their products don't comply with CIP specs or regulations. When Norma "redesigned" the 6mm BR Remington, they merely lengthened the throat to accept 105-107 grain VLD style projectiles, with virtually no other changes (aside from speeding up the twist for stability of the heavier bullets). Since the "new" 6mm Norma round can't chamber (bullets jam the lands long before the round can be fully chambered), CIP regs require that the round carry a different designation than the "parent" cartridge, even though we here in the US wouldn't normally change the name. Standard 6mm BR Remington rounds can be shot in 6mm BR Norma rifles, but you'll be dealing with a significant jump to the lands, and an excessively faster twist for it's lighter bullets.

We have a few other cartridges that fall into this same situation within our (Lapua's) line, such as the 7.62x53R case. Completely identical with the 7.62x54R ammunition. Cases are identical, but the 7.62x53R uses a .308" diameter bullet, where the original 7.62x54R uses the .310"-.311" bullet.

Hope this helps clear things up just a bit.

 

[Leere]

Standard 6mm BR Remington rounds can be shot in 6mm BR Norma rifles, but you'll be dealing with a significant jump to the lands, and an excessively faster twist for it's lighter bullets.

Thank you have answered one of my questions, I have a savage model 12 6mmbr Norma 8:1 twist. I reload 6mmbr Lapua #4PH6046 brass with 28.0gr varget and 107gr sierra match king bullets. I purchased two boxes the other day of 6mm BR Remington 100gr core-lokt PSP. Your statement above means I can shoot these loads in my rifle.

My second question is: Remington put this statement on the boxes of shells I purchased, Notice: 6mmBR Rem Cartridge will not fit in 6mmBR chambers. This is stated on the box flaps of the Remington factory load boxes. What does that mean??

 

[KevinThomas]

Exactly! Glad to help.

 

[Bobs243Ackley]

There is one other difference between the Remington spec. case and the Norma spec. case and that is in the flash hole diameter. The Remington case will use a 0.080" diameter flash hole that we use predominantly in the US. The Norma spec. case, and the Lapua case, use the 0.060" diameter flash hole. Norma had decided to use this since they had found in their lab testing that it did improve the ballistics the same way that it had been found to improve the ballistics of the 6mm PPC cartridge. This would mean that if you have a very old 6mm BR die set you would need to make sure that you would have a proper diameter decap pin in your decapping punch assembly. Almost all of the die sets from at least the last 10 to 15 years have been equipped with the smaller diameter pin so that you can then use it with either the Remington, or Norma, spec. cases.

When I had still been with Sinclair International we had sent samples of the Norma and Lapua cases over to Jim Stekyl for him to check. He said that other than for the flash hole diameters he would consider the cases to be considered as identical to each other for all practical purposes and that he had been very pleased with the quality of both of the cases. We felt that this had been high praise from one of the gentlemen who helped to initially design the BR case.

I hope that the additional information will be useful.

Bob Blaine
Technical Specialist
Berger Bullets