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Thread: Unloaded & Reloaded Privi Partisan .308Win

  1. #1

    Unloaded & Reloaded Privi Partisan .308Win

    Just thought I would post this info. I have been using Prvi PPU with great results in .223Rem for some time, but only mediocre results in .308Win - plus my latest batch of .223Rem wasn't half as good as the old (dark blue boxes) stuff. Hence, as I was thinking about getting back into reloading anyway - but had a lot of Prvi left in the cabinet - I thought I would unload a box of 20 .308Win to see what sort of variations in powder weights they were, then reload them with the same powder, but a more consistent quantity and consistent bullet depths. Hopefully the results will improve and I will do the same with .223 as well. PS: - I actually kept 4 as factory rounds to assess against the rest.

    Not sure what the power is, but the first picture is a close up of the powder removed. The second picture shows the variations in bullet seating with the two middle rounds slightly higher than the outer two. The third picture shows the powder weight variations - from 37.9 grains to 38.5 grains with an average (which was what they were all reloaded to) of 38.2 grains - next to a re-reloaded Prvi round.

    Going to do some done in .223Rem (once the bullet puller collet arrives!) then get down to the range to assess the difference.
    Attached Thumbnails Attached Thumbnails 181220111262-2.jpg   181220111260-2.jpg   181220111263-2.jpg  

  2. #2
    That is very commendable Oly, something I had meant to do, but not now as I reload.
    Interesting that extruded powder is used rather than ball.
    Also interesting to see the difference in seating depths from your picture, not encouraging.
    Presumably you are aware powder is loaded by volume and not by weight, which may account for the differences in weight you measured.
    There is a report or summary of the expansion of different bullets, one of which was Privi:
    Bullet choice and Terminal effects. coriniumrange
    The Privi does not expand very well.

  3. #3
    I did the same experiment with PPU .308 168gn HPBTs. They were pretty good out of the box but better after i had refined them.. be interesting to see how you get on.

  4. #4
    Did you measure OGIVE or OAL out of interest?

  5. #5
    Forgot to add, they are 180 grain soft points and the 223's will be 55 grain soft points. Didn't measure sorry as i still haven't got all my gear yet...awaiting calipers!

  6. #6
    Refining the powder charge to a consistent 38.2 gr's will obviously help. However, you will see the real benefit if you reseat the bullets to a consistent length.

    Friend of mine in Germany tells me they buy up large amounts of Privi 30/06 with the 170gr Grom bullet which they rate as excellent for boar, They pull the bullets, dump the powder, recharge the case with their own powder (N150 I think) and reseat the bullet. He reckons it is cheaper and quicker than conventional reloading with brand name bullets etc.

    Interesting exercise. I would like to see someone conduct the same checks with a more expensive brand of ammo.
    Brian.

    Just because you are paranoid, doesn't mean they aren't out to get you......

  7. #7
    Jack, that report, whilst interesting in itself, also highlights it's major downfall. Those were the bullets that "failed". What it didn't say was how many hadn't failed, how many had dropped beasts on the spot with a through and through. They say that a "failure" rate (define failure, some bullets are designed to expand more than others, others lean towards more weight retention, which one is a failure?) of 20% is acceptable, I don't think it is.

    They say that hundreds of deer were shot. That information would be more useful in my opinion if it were quantified. How many deer? With which bullet? How many fell to shot and how many ran? What was tissue damage like with each round?

    I use Prvi for headshooting park deer, and they do the job admirably. I've never seen one stop in the skull, but the damage is significant and death is instantaneous with a good head shot. That doesn't mean it's an ideal bullet for boiler room shots, the physiology and mechanism of death is very different, but the report you quoted doesn't hold enough information to say whether it is suitable or not either.

    A proper, scientifically conducted experiment using good ballistic gel would tell us more. Any volunteers?

    Unloading and then reloading the factory rounds sounds like an interesting experiment. I'll be interested to see if they group any differently.

  8. #8
    Quote Originally Posted by Claret_Dabbler View Post
    Friend of mine in Germany tells me they buy up large amounts of Privi 30/06 with the 170gr Grom bullet which they rate as excellent for boar, They pull the bullets, dump the powder, recharge the case with their own powder (N150 I think) and reseat the bullet. He reckons it is cheaper and quicker than conventional reloading with brand name bullets etc..
    Whilst I haven't done the sums - I reckon it may be cheaper in the UK too. Not only do I have a large quantity of ammunition I want to refine and then get through, but it is something which I think may be cheaper than conventional reloading too - although like I say, I haven't done the sums yet.

  9. #9
    Quote Originally Posted by Oly View Post
    Whilst I haven't done the sums - I reckon it may be cheaper in the UK too. Not only do I have a large quantity of ammunition I want to refine and then get through, but it is something which I think may be cheaper than conventional reloading too - although like I say, I haven't done the sums yet.
    Oly. This is an interesting thread, however (at least) two things concern me.

    1. How do you plan to identify which primers have been used? I suspect the manufacturers will use a variety of primers depending on availability and cost, so you could have more than one type of primer to deal with.

    2. How do you plan to measure and replicate the neck tension? Has this ammunition been crimped?

    Regards JCS

  10. #10
    Quote Originally Posted by jcampbellsmith View Post
    Oly. This is an interesting thread, however (at least) two things concern me.

    1. How do you plan to identify which primers have been used? I suspect the manufacturers will use a variety of primers depending on availability and cost, so you could have more than one type of primer to deal with.

    2. How do you plan to measure and replicate the neck tension? Has this ammunition been crimped?

    Regards JCS
    Believe it or not Privi use there own primers
    www.anglocustomrifle.co.uk
    Anglo deer management and training
    Yet another 7mm 08 user ..................... if Carlsberg made calibers.........................

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