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Old July 11, 2017, 08:56 AM   #26
Josh Smith
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As was stated, the heavy ball 7.62x54r was indeed machinegun ammo.

It was not hotter, usually. Just a bit more recoil due to the weight of the bullet, and perfectly safe to fire in any Russian Mosin in good condition.

Many notice improved accuracy, since the Mosin's twist is actually designed for a heavier bullet.

Russian 7n1 loads used 152gr *steel core* bullets which were longer due to their lighter weight. The Finns used a 200gr bullet in their accuracy load.

Try it. Your Mosin might just prefer a longer, heavier bullet.


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Old July 11, 2017, 07:37 PM   #27
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Especially when you consider MG34 and MG42 are gas operated and tend to spontaneously disassemble if you use ammo that is too hot, such as Turkish surplus.

I thought the MG34 and MG42 were recoil operated guns.
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Old July 11, 2017, 09:52 PM   #28
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Some yellow tipped brass Mosin shells were known as "machine gun" ammo and I was advised not to shoot it in my Mosin by the old timers at the gun shop. I don't know if it's true but I still have 40 rounds of it in the top of the closet. I won't be running it through my bolt gun.
people can say what they want but I am not inclined to believe that they would mark the projectile [yellow] simply to identify weight. I have had the occasion to shoot yellow 762x54 and at the time I had no idea that it was any different that any other 54r.. I noticed on the very first shot that something was different about the ammo. I ended up not being able to get my bolt open and an older gentlemen came over to my bench to offer help. We finally got the bolt open and as he was looking at the ammo he said that I should not use yellow tip 54r in my bolt rifle. I still have that ammo and I never shot the rest of it. My impression was that the round was hot
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Old July 12, 2017, 07:32 AM   #29
Mike Irwin
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"people can say what they want but I am not inclined to believe that they would mark the projectile [yellow] simply to identify weight."

Believe what you want, but that's correct.

Yellow-tip 7.62x54R ammunition is so marked to designate it as heavy ball, lead core ammunition.

Numerous nations have color codes used to designate bullets that are heavier or lighter than the standard ball ammo (in the case of the Soviet 7.62, standard was 147-gr. lead core).

That's the entire purpose of tip markings -- identifying those bullets that deviate from the standard round.
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Old July 12, 2017, 06:38 PM   #30
James K
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"I don't believe any modern army would put two different cartridges of the same caliber in the supply channel."

Most armies have a whole range of cartridges in the standard caliber - ball, armor-piercing, tracer, incendiary, explosive, dummy, etc., plus combinations like armor-piercing tracer. Pressures may vary but all will be safe to fire in the standard weapons. There may be or have been, an army that has issued ammo that will blow up its own guns, but I have never seen any valid claims to that effect, and it does seem just a bit counter-productive.

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