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Thread: 7x64 load data

  1. #1

    7x64 load data

    Just bought a Sauer 202 in 7x64. I have got a pot H4895 and can get Alliant (Reloader 19, 22 etc) but that is all. Can't get any 4350 which seems to be popular. Looking for a fast flat and accurate load doing 3000+fps anyone got any load data for 120gr and 140gr Nosler, Hornady 120 v-max,139gr interbond ? All I can seem to find is reduced load Remington 280. Can I use the same data for a Nosler 120gr and a Hornady 120gr ? I know you can start low and work up but I am lazy and tight. I've used the same load in my 243 for 15 years.

  2. #2
    SPEER manual 13 clearly states that the 280 Remington loads are the same as 7x64mm using R19 57-61(comp) cci 200 primer 120grn bullet gives you speeds from 2975fps-3222fps. 130grn bullet R19 powder 55grn-59grn 200CCI primer gives you speeds of 2835fps-3134fps and 145grn bullet with CCI 200 primer R19 powder 55grn-57grn gives you 2752-2973fps hope that is of help.
    Just to say I have a BRAND NEW never even been out of their box, set of 7x64 Lee dies for sale if they are of interest.
    The ORDNANCE QF 18 pounder Field Gun......I wonder if they will let me have one of these on an open ticket

  3. #3
    Quote Originally Posted by Sako3006 View Post
    SPEER manual 13 clearly states that the 280 Remington loads are the same as 7x64mm using R19 57-61(comp) cci 200 primer 120grn bullet gives you speeds from 2975fps-3222fps. 130grn bullet R19 powder 55grn-59grn 200CCI primer gives you speeds of 2835fps-3134fps and 145grn bullet with CCI 200 primer R19 powder 55grn-57grn gives you 2752-2973fps hope that is of help.
    Just to say I have a BRAND NEW never even been out of their box, set of 7x64 Lee dies for sale if they are of interest.
    It doesn't say that. You've drawn the wrong conclusion from the preamble for the .280 which says that the 7x64 and wildcat 7mm-06 is nearly identical to it.

    Speer has never listed data for the 7x64, and Steve already knows that .280 Rem data can't be used for the 7x64 because of the smaller case volume. The best data source for this cartridge is Ken Waters 'Pet Loads' which quotes U.S. powders.
    If I'm going to be accused of it then it's just as well I did it.

  4. #4
    Quote Originally Posted by Sako3006 View Post
    Just to say I have a BRAND NEW never even been out of their box, set of 7x64 Lee dies for sale if they are of interest.
    Wish I'd known waited a month for mine !
    re 7x64 v 280 rem the info varies depending on who you speak to. Some say you can use the same data others not. The only people who give data for both are Norma. Up to 160gr bullets the 280 seems to have about 1.5 grains more, then with 170gr the 7x64 has more. Maybe something to do with the neck or just the way they were tested. I don't think Norma powders are available in the UK anyway. Anyone know what the Norma equivalents are in Alliant powders ? Or what Alliant powder equates to IMR 4350 and 4831 ? The sheet that came with the Lee dies shows reduced 280 Remington loads I will have to try those and work up if no one has any info.

  5. #5
    Quote Originally Posted by shbangsteve View Post
    Wish I'd known waited a month for mine !
    re 7x64 v 280 rem the info varies depending on who you speak to. Some say you can use the same data others not. The only people who give data for both are Norma. Up to 160gr bullets the 280 seems to have about 1.5 grains more, then with 170gr the 7x64 has more. Maybe something to do with the neck or just the way they were tested. I don't think Norma powders are available in the UK anyway. Anyone know what the Norma equivalents are in Alliant powders ? Or what Alliant powder equates to IMR 4350 and 4831 ? The sheet that came with the Lee dies shows reduced 280 Remington loads I will have to try those and work up if no one has any info.
    That's a good place to start, actually. Starting 280 charges, at least.~Muir

  6. #6
    Just wondered if anyone with a 7x64 has loaded it with 280 Rem data ?

  7. #7
    Quote Originally Posted by shbangsteve View Post
    Just wondered if anyone with a 7x64 has loaded it with 280 Rem data ?
    The 7x64 has a slightly smaller total case capacity than the 280 so you shouldn't just load it straight across the board with 280 data. Start with minimum 280 loads and you will be on the right path. ~Muir

  8. #8
    Quote Originally Posted by Muir View Post
    The 7x64 has a slightly smaller total case capacity than the 280 so you shouldn't just load it straight across the board with 280 data. Start with minimum 280 loads and you will be on the right path. ~Muir
    just wondered if you have measured the difference in case capacity between the two. Some people say there is no meaningful difference and that older manuals quote the the same data can be used in 7x64,7mm06 and 280 Remington. Would give me so many more options if I could. Thanks Steve

  9. #9
    Quote Originally Posted by shbangsteve View Post
    just wondered if you have measured the difference in case capacity between the two. Some people say there is no meaningful difference and that older manuals quote the the same data can be used in 7x64,7mm06 and 280 Remington. Would give me so many more options if I could. Thanks Steve
    I looked it up for you. According to "Handloaders Manual of Cartridge Conversions" by Donnelly, the 280 is 68.58 cc water case capacity and the 7x64 is 66.22 CC's.

    A 2.36CC difference. So, starting with minimum 280 loads would be safe, probably, but 5% under minimum* would be safer.~Muir

    *Please. No hand wringing about the dangers of starting below minimum.

  10. #10
    thanks Muir
    I presume that's grains of water though not cc. The figures I had were 68-69 for the 7x64. I will try to measure one of mine out of curiosity. I will start with reduced 280 loads and work up.
    Last edited by shbangsteve; 09-07-2013 at 08:41.

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