8 MM Mil ammo

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Those rounds are most likely Yugo . The cases are Berdan primed so just leave them alone. On top of it the primers are corrosive so not the best thing to take hunting.
Powder in those is a flake type, quite hard to measure so it really is best to shoot them as they are.
 
I have two dif. companys in the 8mm.. one is steel core.. 196 gr, the other is 198. not steel core..I'm going to pull some bullets. and change powder and bullets to boxer primmer cases for my bolt gun,, and shoot the rest in my FN49..I made a batch of 8mm cases from 30-06 cases,, they were easy enough.The powder in these cases are strange,, big black square flakes.. I shoot these in my FN49 at steel targets out to 200 yards,,But wanted to try the componets in boxer cases out of my custom bolt gun, to see how well they do..thats all...My bolt gun shoot the 150 hornady to 1/2 in groups...at 100 yards,,
 
i would rather not shoot the fmj through my gun as it is hard on the barrel and no good for hunting i guess i was just hoping that replacing the bullet with a 195 gr hornady would work
 
I fail to see why firing FMJ is any more damaging to a barrel than firing any exposed tip jacketed hunting round! The only difference is in the tips of the projectile and that portion of the bullet never contacts the bore.
 
There is nothing bad about shooting corrosive ammo IF you clean your gun after use. The primer is the "corrosive" element in the ammo. The primer compound produces residue that is Hydroscopic, IE. it attracts water. In a climate with high humidity it will absorb water from the air and that is what causes the corrosion on metal. Black powder is similar in its corrosives action. Google "cleaning after using corrosive ammo" to find several instructional methods of cleaning.

If you want to shoot a soft point for hunting you can simply replace the FMJ bullet with a soft point of the same or less weight without any danger of more pressure. There may be some difficulty in dealing wtiht he military crimp and resizing the case neck but it can be done. Remington bulk 185gr JHP soft points would be a good candicate to replace 198gr military bullets.

If you are wanting to develop a new load using pulled powder of unknown burn rate in a new case and with a boxer primer you are dealing with unknown pressures if you increase the charge over the factory level when using a lighter bullet as well as different cases and primers that will change cartridge pressures, maybe up maybe down.

What we really want to know is if you are simply trying to salvage the powder and will discard the cse and primer or are you trying to use all the components except the bullet?
 
Oscars, All the 8mm57 ammo I pulled down had Berdan primers, I wanted to get away from the corrosive primers I stayed with the the bullets and powder, 70 rounds for $4.70 made the effort worth while, but there was that problem with the Hornady bullet puller, had I sent it back for repairs I would have wanted half my money back, they would have had that bullet puller as much as I did.

I do not know which bullet you are referring to, some surplus ammo had cupro nickel bullets, the cupro nickel bullets when checked with a magnet give the appearance of a ferrous metal. they stick to the magnet.

http://www.odcmp.org/1101/can.pdf

I still have the pull down cases stored in 30 Cal ammo cans.

At the time the 8mm forming die could be paid for after forming 100 cases, today the 8mm forming die cost $38.00.


http://www.midwayusa.com/product/77...57mm-mauser-8mm-mauser-from-30-06-springfield

When changing bullet for bullet by weight alone remember, some load data is bullet specific. When testing lead core bullets I have no problem hitting it with a hammer or dropping it on the floor. Point? I have no problem hitting a bullet supported on a solid surface with a hammer, then testing another bullet in the same manner to have a comparison. Rather than swing the hammer harder, I get a bigger hammer.

F. Guffey
 
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