THE ACCURATERELOADING.COM MEDIUM BORE RIFLE FORUM


Moderators: Paul H
Go
New
Find
Notify
Tools
Reply
  
300 Norma Magnum
 Login/Join
 
one of us
posted
The latest darling of the special operations crowd for sniping is the 300 Sloan/Norma. It is similar to the 338 Lapua Magnum. The shoulder is pushed back a bit, and its angle is about 30 degrees, if I recall correctly. It pushes the Berger 230 Hybrid tactical target bullet comfortably supersonic out past 1,500 meters.

A fellow I know wants to rebarrel his Sako TRG 42 to this cartridge. It feeds nicely from a 338 Lapua Magnum AI magazine. He wants to put on a 27" barrel, and top the rifle with a Night Forces 5-25 x 56 mm ATACR scope with a FFP and the Horus (58?, 59?) reticle, and a Thunder Beast suppressor.

Does anyone here have any experience with this cartridge? These days, a 6 mm Creedmoor sounds more appealing to me.


 
Posts: 7158 | Location: Snake River | Registered: 02 February 2004Reply With Quote
One of Us
Picture of PWS
posted Hide Post
These guys are playing around with it and improved versions:

http://forum.accurateshooter.c...ma-improved.3960537/
 
Posts: 1143 | Location: Kodiak | Registered: 01 February 2005Reply With Quote
one of us
posted Hide Post
Thank you very much! That page was very helpful.
I talked to a gunsmith (young and arrogant) who said they could build my a 300 Norma on a standard Remington 700 action. "We just open the face up." Making the .585 from a standard model 700 action leaves a grand total of 57.5 thou around the case head. Fortunately he had an important meeting to attend to. Cripes All Mighty!


 
Posts: 7158 | Location: Snake River | Registered: 02 February 2004Reply With Quote
One of Us
posted Hide Post
quote:
Originally posted by lawndart:
Thank you very much! That page was very helpful.
I talked to a gunsmith (young and arrogant) who said they could build my a 300 Norma on a standard Remington 700 action. "We just open the face up." Making the .585 from a standard model 700 action leaves a grand total of 57.5 thou around the case head. Fortunately he had an important meeting to attend to. Cripes All Mighty!


Lots of people are building LAPUAS on 700 actions Remington even offers it. Scares the crap out of me......

.
 
Posts: 42532 | Location: Crosby and Barksdale, Texas | Registered: 18 September 2006Reply With Quote
one of us
posted Hide Post
quote:
Making the .585 from a standard model 700 action leaves a grand total of 57.5 thou around the case head.

For all it does you might as well trim the entire front of a Rem 700 back to the bolt face since it is entirely cosmetic. The "three rings of steel" was/is a preposterous advertising gimmick. It is the case head and the case head alone which contains the pressure for the last quarter-inch of case and the meaningless extension of the bolt face has nothing to do with it.

Now, it is true that with a case head failure the protruding ring in front of the bolt face can help to partially divert escaping gas which may somewhat ameliorate the potential damage from such an event. But that "ring" does nothing to prevent a case head failure.

Take the "ring of steel" away and you have exactly the same breeching as with a Mauser or a dozen other types of strong bolt actions.
 
Posts: 13274 | Location: Henly, TX, USA | Registered: 04 April 2001Reply With Quote
One of Us
posted Hide Post
There is also an other new .300 Magnum constructed by Norma: it is called .3oo Blaser agnum simular to the .300 Dakota. it is based on a shortened .404 Jeffery-case (2.550)
 
Posts: 561 | Location: northern Germany | Registered: 26 February 2005Reply With Quote
One of Us
posted Hide Post
Base diameter on 338 Lapua are 0,91mm larger than on 300 rem ultra the lapua has a max pressure of 61000psi versus 65000psi for the ultra.
 
Posts: 3611 | Location: Sweden | Registered: 02 May 2009Reply With Quote
One of Us
Picture of f224
posted Hide Post
Unless you are killing a Taliban way out there, the 6mm Creedmore makes a lot more sense.


Captain Dave Funk
Operator
www.BlaserPro.com
 
Posts: 842 | Location: Dallas, Iowa, USA | Registered: 05 June 2004Reply With Quote
  Powered by Social Strata  
 


Copyright December 1997-2023 Accuratereloading.com


Visit our on-line store for AR Memorabilia