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351 Winchester |
Prvi Partisan ammo and brass any good? |
Lead | |
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I have been looking for Greek .303, but it's very expensive. I'm wondering if anyone has some input as to the quality of prvi's .303 ammo and
brass.
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sgmccutcheon |
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I hope it's good, I just bought 300 rounds of it from Wideners! I'll shoot it soon.
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351 Winchester |
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I bought a couple hundred from Widners too, just today. Too bad I didn't know about the hxp Greek sooner.
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Smead |
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Have read that it's as close to Mk VII as you can get in modern ammo and is very good regarding reloading. |
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bigedp51 |
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The problem with American made .303 cases and ammunition is that they are downloaded to lower pressures than military ammunition was loaded to, American ammunition is loaded to pressures lower than 43,000 CUP and when reloaded to higher pressure levels they do not last long.
Another example is the rim thickness and base diameter of our American made cases are on the small side and this allows for more stretching when fired.
I ordered 500 once fired Greek HXP cases and checked each one on a RCBS case mastering gauge and not one case had any thinning in the web area, where Winchester and Remington factory ammunition will thin and start to separate on the first firing.
Of the people who have given me feed back on the Prvi Partisan cases and reloading they appear to have the best track record for longevity and reloading life, BUT please remember headspace and chamber diameter governs how far the case will stretch on the first firing.
Below a once fired factory Winchester case fired in an Enfield with the headspace set at .067-.066, the case thinned .009 (nine thousandths) and Greek HXP cases will bend/flex before stretching and thinning.
Below a once fired Privi case on the left next to a once fired Greek HXP case on the right, the Privi case has thicker rim and larger base diameter than the HXP case and had no thinning in the web area.
Below are .308 cases fired and reloaded to destruction in a "smaller and shorter" factory hunting rifle chamber BUT remember that American factory cases are made from five different grades of brass that can withstand different chamber pressures. (I think but can't prove it but I think our American cases are made from the "same grade" brass as the 30-30 and 30-40 cases are)
My bottom line here is we can't get empty Privi cases and fire form them as Mr. Parashooter describes in his very well written "headspace 101" and even the Privi cases may thin in the web area as in Parashooters firing case animated image below.
Last Edited By: bigedp51
03/13/09 02:19 PM.
Edited 1 times.
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Parashooter |
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I don't know any reason one couldn't use improvised spacers to hold new factory cartridges against the bolt face for their first firing when the
rifle/cartridge combination gives excessive end-play ("head clearance"). O-rings, fishing line, dental floss - whatever fits should work.
Once the case has been fired, neck or partial sizing can preserve shoulder location to eliminate end-play. |
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bigedp51 |
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My apologies Mr. Parashooter my two dyslexic fingers forgot to link to your "Headspace 101" sticky
and the facts you presented above, sorry.
(I was overwrought thinking I would mis-spell "Privy Partizan" again )
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eli griggs |
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It seems to me that given the lower pressure limits on American made brass, a partial solution is to simply segregate this brass from 'more durable'
European .303 and reserve this for making-up cast loads and 'cat sneezes' ammunition.
The lower pressures of cast rounds should give more acceptable case life, certainly when contrasted to reloading jacketed ammo in the same brass and by using cast you are able to better conserve now costly and scarce surplus such as the HPX, as well as ready-mades like Privi P. for more demanding duty at the ranges and large game hunting . Likewise, cats sneezes can allow small/medium game/varmint work to be done with an otherwise too powerful caliber. IMO, any additional time with a favorite firearm in the field is quality time and downloading can certainly extend a season under the right circumstances. Now, I'm sure there are plenty of folks that don't fall under the following limitations but for those that do I suggest that cast are better suited for most of us for day-to-day range trips, especially in the East. In my area, ranges and matches are most often shot from 100-300 yards and properly sized and loaded cast for milsurps is more than capable of holding its' own against jacketed ammunition at those distances. IMO, from what I've read here and elsewhere, not every round need be loaded to high pressures to give good performance under these circumstances, nor is it productive or desirable to do so. I doubt many of us reasonably expect MOA out of our old warhorses and fine tuning a cast bullet to a particular barrel has advantages that others here are better qualified to expound on. Even if you don't cast yourself, there are plenty of bullet-makers out there, such as Beartooth Bullets, as well as fellow shooters, that are more than happy to sell you what you'll need. Good mold designs are plentiful and there's plenty of help on the web as well as in print, such as the Lyman books on cast loading to guide you along. Of course, there's a lot to be said for the fun of casting your own, everything from running down a source of WW, scrapped lead pipes and scrap tin, to making up your own formulas for pan lubes to sorting through a tin full of freshly cast bullets after an afternoon at the melting pot. Eli
"Those who hammer their guns into plows will plow for those who do not." ~ Thomas Jefferson ~
"In the middle of difficulty lies opportunity". - Albert Einstein WANTED - Lee Loaders - .223, 6.5 Swede Mauser, 7.5 Swiss, 7.62x39, 7.62x54r, .308 Win, .303 Brit, 7.7 WANTED- Turkey and Goose feathers for fletching arrows |
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cosmo05 |
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What bigedp51 says. That is dead on, excellent! I get one, maybe two reloads from .303 from PRVI, Winchester, Remington manufacturer.
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Nora |
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I'll vouch for Pvri. I bought 200 rds of 6.5x52mm brass from Graf and Sons last month for a test run to see if I like thier stuff. The rim size was correct
(unlike from Norma) and the length consistancy was outstanding. All but 5 were with in .002 of each other. Two were .001 below the norm, two were .001 above
and one was .002 above. That made for a happy costomer. I'm in the market for some .303, and will be buying Pvri.
Last Edited By: Nora
03/20/09 07:54 PM.
Edited 1 times.
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Nora |
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As an after thought about case longevity, are you full lenth resizing each time? Or just the neck? With just sizing the neck I've been getting 4 mid range
reloadings from fire formed Winchester brass.
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wadwizard |
.303 case life | ||
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In the .303 Enfields I've had, no case ever stands up very well to repeated reloading. I think that the chambers are not executed with reloading the fired
cartridge cases in mind. You want to reload the case a lot, get another cartridge.
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temperflash |
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I have had no problem with case life since obtaining a number three bolt head which tightened the action to less than .004 head clearance , which since the
case used to measure clearance was a military case which had a .062 rim puts the headspace at .068. Even when Remington cases with rims of .059 are used the
clearance would be .007, well within the limitations of commercial brass.
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