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Pedersen conversion
Photo shows a Mosin Nagant reciver modified for the Pedersen Device - in this conversion the magazine is installed on the left side.
I have a photo of Bill EdAttachment 85342wards firing his Remington Mosin Nagant with Pedersen Device taken in 1968
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06-26-2017 05:25 PM
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The rifle was sold at James D. Julia auction, without the PD which appears somehow to have been lost. I tried to track it down, but the last known owner is no longer with us so I had to stop.
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Originally Posted by
Bruce_in_Oz
The requirement for "dry-wax" lubricated cartridges was a bit of a negative.
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Not as negative as one might think. By 1945, practically all steel-cased German military ammunition was hard-waxed (in addition to being parkerized and lacquered), just as Pedersen had proposed. It was found to be beneficial for troublefree extraction in MG42s.
Carnuba car wax or Simoniz works equally well.
M
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The flirtation with .276 and .280 cartridges, on both sides of the ocean, came from a similar source. Paul Mauser's 7x57. In the hands of the Boers, it gave Tommies such fits they were ready to cashier the SMLE, hence the P-13. A bit earlier, when President Teddy Roosevelt exasperated by delays in the US rifle program asked the Chief of Ordnance, "Why don't you just buy the Mauser?" He obviously remembered well how 760 Spanish Army regular troops with 1893 Mausers held off General William Rufus Shafter's Fifth Army Corps, about 15,000 troops in three divisions, for most of they day.
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What a handsome rifle, very attractive. I wonder what the recoil characteristics of these is like with that toggle action?
---------- Post added at 05:03 PM ---------- Previous post was at 04:59 PM ----------
Originally Posted by
MGMike
Not as negative as one might think. By 1945, practically all steel-cased
German military ammunition was hard-waxed (in addition to being parkerized and lacquered), just as Pedersen had proposed. It was found to be beneficial for troublefree extraction in MG42s.
Carnuba car wax or Simoniz works equally well.
Interesting, does adding wax to a cartridge have any adverse affects regarding chamber pressures etc?
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The .276 Pedersen rifle is a very soft-shooting, pleasant rifle to fire. The shooter does not really notice the toggle flipping up.
Waxing the cases won't affect pressure at all, but may increase the back-thrust and, in automatic weapons, raise bolt velocity. Apparently the Germans did not think that mattered enough to worry about; beginning in June 1944 their factories introduced the waxing process to all steel case production of 7.9mm. The pressure in wartime 7.9mm service ammo was really not so high to begin with, and the guns all had ample reserves of strength.
I have experimentally waxed 7.92x57mm, 7.92x33mm Kurz and even some badly tarnished 7.62mm NATO M80 rounds, with Simoniz car wax and Johnson's or Butcher's Floor Wax, without any adverse effect that I can detect. It tends to cure "short recoil" problems from underpowered ammo (such as 7.65mm Parabellum in some pistols).
The fired cases look normal; the only difference is that they are ejected somewhat further --but nowhere near as far as from an AK or FNC with unwaxed ammo.
M
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