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BP wrote on Nov 9^th, 2018 at 8:45pm:


Thanks!

This article is old news, 2007, at which time I was already using 8X56 Hung. Mannlicher brass from PPK to form 8X58RD cases. This brass has a much thinner rim, and headspacing on shoulders of cases, a rather standard practice, avoided issues with much thinner rims. Works just fine and PPK brass is excellent, actually about as good as it comes. Some folks on that webbsite, Dutchman especially, never seemed to catch on and was forever citing case dimensions, etc that did not match those of 8X58RD rifles many of us had, or even match those in official Swedish Ordance Dept documents from time the 8X58RD chambered rollers were undergoing field testing.

The mystery and confussion continues. Perhaps partly because the Danes and Norwegians put their 8X58RD chambered Krag rifles into regular service, and they remained in service until WW2. Those Norwegian Krags could take 40.000+PSI(45.000 stick in my mind) but the Swedish rollers only about 28.000 PSIs. Norma, etc. actually made 8X58RD ammo loaded specifically for Swedish 8X58RD chambered rollers -- it was very effective on scandinavian älg (moose in American-speak).

The 6,5X55 1893 Mauser rifles, delivered to Sweden, went directly into service and the Swedish roller 8X58RD chambered rifles went to storage. In 1942 10.000 of these rollers were given to registered shooters in that year's national shooting match. These matches have traditionally been sponsored by major Swedish newspapers, in 1942 by "Tidningen", which is both name of that particular newspaper and the generic Swedish word for "newspaper" .

Thanks ChickenThief for the Danish data for 8X58Rimmed Danish cartridge. Converting the 1,50mm rim thickness in these specs to inches gives 0,059 in, essentially the 0,06" rim thickness that is one of two "std" rim thicknesses used in Buffalo Arms loaded 8X58RD ammo.

Still no information about the origin of the alternative 0,07" rim thickness noted in Buffalo Arms and which corresponds to the "45/70" rim thickness present in many 8X58RD chambered rifles, including mine.

Here are some additional data from Buffalo Arms for two versions of their loaded 8X58 RD ammo, one loaded suitable for Remington-pattern single shots and one perhaps for Danish & Norwegian turnbolt Krag rifles.

Below is load that is nearly identical to what I have used for many years in my 8X58RD roller. Additional data, including chamber pressures, for this gas check bullet in 8X58RD can be found on gunboards webbsite, posted by SMOKEPOLE50.

This is one of two currently listed loads for obsolete 8x58R Danish Krag rifles with .060" headspace. CHECK YOUR HEAD SPACE DO NOT GUESS!! THESE RIFLES WILL VARY FOR HEADSPACE! Usually .060" or .070" so we offer the ammo and brass both ways. Loaded with our reformed cases (item# 8x58RDanish) and a 190 grain .324" lead gas check bullet (item# 324190). These are loaded to approximately 1,500 fps. 

Here is Buffalo Arms loaded ammo for 8X58RD, with 150 gr mantled bullet but no volecity given. I tried long ago to get Buffalo Arms estimate of chamber pressure and velocity for this load, without success.

This is currently loaded obsolete ammunition for 8x58R Danish Krag rifles with .070" headspace. CHECK YOUR HEAD SPACE DO NOT GUESS!!! THESE RIFLES WILL VARY FOR HEADSPACE! Usually .060" or .070" so we offer the ammo and brass both ways. Loaded with our reformed cases (item #8x58R070) and a 150 grain spitzer .323" diameter bullet (#Hob3232). 

Any one out there have any solid info as to why so many of these rifles have rim headspace "identical" with headspace of 45-70 and 38/55 and at least some 9,3mm Husqvarna pattern rollers??

Thanks,
SKG

Buffalo Arms are known to stick their funny ideas inside peoples heads!
For some unknovn reason they are selling 11,7x56R cases (for Danish RB rifles) by the hundred to Americans even though no rifles exist in that caliber.

Quote:


Stupid 2500 charcters max!
The rest in the next post.

Chickenthief,

Nice summary of situation re Dansk Remington-pattern rollers. I have no personal experience with Danish rollers & most of what information I ever read was/is in posts on svartkrutt.net, in either Norska or Danska, long ago. I highly recommend that website, even for English-only folks (many articles are in english).

I have been quite satisfied with performance of my 8X58RD roller in original military configuration, other than for a Marbles Tang sight. That is, AFTER I quit listening to USA-based "experts" and determined that groove-to-groove of bore on mine is nearly same as given in test reports by Swedish military  for 8X58RD Swedish converted 1867 Remington rollers (can be obtained from arkives of Kungliga Biblioteket, Stockholm), NOTE but not the usually assumed 0,323" but a bit larger (common for these rifles). Also, mine has the thicker, "45/70" rim thickness, not the thinner one given in the Danish drawings you posted.

While I have fired very few "full power" jacketed bullet loads at chamber pressures considered safe for Swedish Remington-pattern rollers (see SMOKEPOLE50's posts in GunBoards, Swedish Military or Swedish Civilian Boards), I have fired well over 1000 loads with gass checked cast bullets at about 1500fps, loads that are close to loads tested by Swede testers using some of the early German semi smokless powders. Excellent loads for 50-200M metallic silhouette matches and at chamber pressures well below the 28.000psi limit for these rifles.

SKG