300 Norma Mag

[Schw15]

I will double check thought I seen them instock but been looking at so much Info and stuff might of confused it with the 35

 

[otnot]

Thanks, that's good info. I was trying to figure out what was going on with reamers and dies. I contacted Ryan but he said he was just doing complete rifles, and about all I could get out of Wheeler was that jgs had the reamers for his. Neither one really wanted to deal with just chambering a barrel it didn't seem. I'll contact Dallas and see what he says.

Wheeler just did a chamber for me a couple of months ago. If you talk to him more in length he would rather not do complete rifles.

 

[Schw15]

Do you guys see an issue with 1-8 twist barrels for the norma?

 

[Dogtown]

Absolutely not - shot everything in the 200gr+ zone just fine. The only reason I have some 1:7 barrels is because I'm trying to shoot some crazy long solids.

 

[mullmann]

Do you guys see an issue with 1-8 twist barrels for the norma?

I have a 1-8 shooting 215’s and no issue

 

[Schw15]

What dies you guys run? Bullet central micron seems like the best but out of stock

 

[ShootnFool8]

What dies you guys run? Bullet central micron seems like the best but out of stock

Using Whidden die, but was hoping SAC would make one.

 

[ForgeValley]

Whidden sizer, LE Wilson arbor seater.

 

[Dogtown]

I’ve been using Redding body and neck dies, and a SAC universal seater. I’m patiently waiting for when SAC has modular sizing dies for the Lapua cartridges. They’re just so consistent.

 

[4O6shootist]

I have a Pierce 33° chamber which original shipped with whidden dies. They weren't right so acquired some Hornady dies custom made to pierce print. Ended up with 33° Micron dies......they're nice! And size at the base a bit better then both prior makes
.

 

[mullmann]

Redding type s bushing die and micrometer seating die. I use these for all my cartridges. I want to try micron, but they are pricey.

 

[Bacarrat]

Whidden for the sizer and seater. But about to sell it since I now got a LE Wilson inline seater and want the matching sizer. Odd, I know.

 

[Schw15]

Whidden sizer, LE Wilson arbor seater.

Is the arbor press that much better?

 

[Schw15]

Whidden for the sizer and seater. But about to sell it since I now got a LE Wilson inline seater and want the matching sizer. Odd, I know.

Le wilson makes 300 norma?

 

[Bacarrat]

Le wilson makes 300 norma?

Full Length Sizing Die - Interchangeable Bushing-FLD-

 

[mullmann]

What dies you guys run? Bullet central micron seems like the best but out of stock

They are in stock

Bullet Central Micron Sizing Die (FULL LENGTH BUSHING DIE)

[email protected]

www.piercisionrifles.com

 

[Schw15]

They are in stock

Bullet Central Micron Sizing Die (FULL LENGTH BUSHING DIE)

[email protected]

www.piercisionrifles.com

I seen that I'm actually in talk with him might do his 33 degree improved

 

[mullmann]

I seen that I'm actually in talk with him might do his 33 degree improved

I wasn’t sure

 

[Schw15]

Is the rock chucker iv from rcbs big enough press for 300 norma ect. Or do they need bigger presses never had anything that bolt face.

 

[Runnineh]

Is the rock chucker iv from rcbs big enough press for 300 norma ect. Or do they need bigger presses never had anything that bolt face.

Any standard press will do

 

[Schw15]

Have you guys seen brass stretching a lot with a straight norma?

 

[Dogtown]

Nope.

 

[Schw15]

Ok that's good to hear. I seen a few people saying they stretch since it's a 20 degree shoulder.

 

[Dogtown]

I've had pretty normal stretching where I may only have to trim every other firing or so, and the case web is fine. .338LM Improved, on the other hand, is a different story.

 

[Schw15]

You guys getting 10 plus firing on the lapua brass

 

[Dogtown]

I only bought 10 pieces of brass and they've lasted 48,028 firings.

 

[4O6shootist]

I only bought 10 pieces of brass and they've lasted 48,028 firings.

They do last a very long time!

 

[Jackomason]

Does anybody here load on a Dillon 550? What seater die are you using?

I've been really enjoying the RCBS matchmaster seater in other calibers. It allows for top loading bullets and makes bullet seating very easy.

In my 6 GT it hangs down .750" +/- from the bottom of the tool head. There's only 4.125" avaliable to begin with.

I really want to make this combo work for the 300 Norma, any ideas or experience would be appreciated!

My Bartlein 1:9 HV 31" barrel blank showed up. Still haven't landed on the reamer I'd like to use. Getting antsy to start this build!

 

[Schw15]

Got the Bat igniter ordered lapua bolt face. Same action as HR action they said but more generic. Going to have it nitrided. Very good price on those. Build is coming a long. Gotta drop barrels off at smith and decide straight 300 norma or his 300 norma improved 40 degree.

 

[otnot]

@schmi015 just in case...

View attachment 8092524

Thanks, that’s reloader 50 from alliant was looking to see if there was difference with Hodgon h50bmg. @Kopfjager1 thanks for the max. That’s too slow.

I just did load development with H50bmg I’m my 300 norma Improved. I started at 88 grains and got 2750 FPS went all the way to 96 grains at 3150 fps and still no pressure signs but it’s going to take a drop tube to get any more in the case. This is by far the best powder I’ve tried out of Retumbo, US869, H1000. I know N570 is the best but it’s fairy dust to find.

 

[Dogtown]

I know N570 is the best but it’s fairy dust to find.

Some 8lbers here

Vihtavuori Powder - Unknown Munitions

Vihtavuori Powder as listed

www.unknownmunitions.com

 

[4O6shootist]

I just did load development with H50bmg I’m my 300 norma Improved. I started at 88 grains and got 2750 FPS went all the way to 96 grains at 3150 fps and still no pressure signs but it’s going to take a drop tube to get any more in the case. This is by far the best powder I’ve tried out of Retumbo, US869, H1000. I know N570 is the best but it’s fairy dust to find.

Reloder50 works too, I ran 230s up to 3050 in my 26" barrel, gets a lil crunchy tho, I tested rl33 too and it'll work but I don't remember the numbers. My barrel been shot out for 2 years, getting the new one cut now, it'll be a 23" 9tw rem varm for hunting.

 

[Jackomason]

Some 8lbers here

Vihtavuori Powder - Unknown Munitions

Vihtavuori Powder as listed

www.unknownmunitions.com

What kind of case fill does N570 give?

 

[Runnineh]

Reloder50 works too, I ran 230s up to 3050 in my 26" barrel, gets a lil crunchy tho, I tested rl33 too and it'll work but I don't remember the numbers. My barrel been shot out for 2 years, getting the new one cut now, it'll be a 23" 9tw rem varm for hunting.

I've been using 91.5 with RL33 and I'm getting 3050 out of a 27"

 

[Dogtown]

What kind of case fill does N570 give?

It’s probably the best powder for performance with this cartridge, so I guess the case fill is…great? Sure, they’re big kernels, but they fit.

 

[otnot]

Some 8lbers here

Vihtavuori Powder - Unknown Munitions

Vihtavuori Powder as listed

www.unknownmunitions.com

Thanks for the link but nobody will ship to Alaska.

 

[4O6shootist]

It’s probably the best powder for performance with this cartridge, so I guess the case fill is…great? Sure, they’re big kernels, but they fit.

They big, but dense. They weigh like 0.08gr per kernel. I rememeber using a razor blade to cut them in half to get my exact desired charge weight poured by the auto trickler lol.

 

[Dogtown]

N568 is almost N570, but without the huge kernels. N170 has a similar burn rate, but doesn’t generate as much heat/pressure for a bit less velocity - also without huge kernels.

 

[Schw15]

Anyone experienced any 250 a-tip blow ups in 300 norma?

 

[Dogtown]

Nope. 1:8 stabilizes them just fine.

 

[Schw15]

The 250 a-tip seem to good to be true with a monster bc like that.

 

[Dogtown]

Not too good to be true - it's a great ELR bullet. Just be aware that you might need the barrel throated to handle them as they're pretty long and fat (unlike heavy solids).

 

[Shootnwrench]

Thanks for the link but nobody will ship to Alaska.

Try Ryan Bender, Cold Region Shooting in Fairbanks.

Or set up a Carlile MyConnect account and have it freight forwarded. https://www.carlile.biz/myconnect/

 

[Schw15]

Not too good to be true - it's a great ELR bullet. Just be aware that you might need the barrel throated to handle them as they're pretty long and fat (unlike heavy solids).

What freebore? I think one reamer is .235.

 

[Dogtown]

I have no idea. Ask SAC.

 

[otnot]

Try Ryan Bender, Cold Region Shooting in Fairbanks.

Or set up a Carlile MyConnect account and have it freight forwarded. https://www.carlile.biz/myconnect/

Hey thanks for the information

 

[dgheriani]

N568 is almost N570, but without the huge kernels. N170 has a similar burn rate, but doesn’t generate as much heat/pressure for a bit less velocity - also without huge kernels.

Have you tried N568? I get great results with N570 in mine but it would be nice to get similar performance and be able to run the powder through my auto-thrower and not have to use Lee scoops and the auto-trickler to finish up, haha. Those kernels are like tree trunks...

 

[Dogtown]

Yes I have, hence the mention in your quote.

 

[dgheriani]

Yes I have, hence the mention in your quote.

Ha, fair enough. So a bit less speed, I assume, than N570?

 

[Dogtown]

Yes, a tiny bit less speed.