What did you do at your reloading bench today?

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    MTplinker

    MTplinker

    Active Member
    Dec 30, 2021
    133
    Annapolis
    Growler215 said:
    Yes, work up. My results are with Winchester brass, CCI No. 500 primers.

    I think it may be a bit below max because Vihtavouri uses 1.142 COAL.

    I got 1039 fps with a 13.0 SD at 42°F from a 16" PCC (25 shot average).
    Click to expand...
    I found the 4.1 gr and the 4.3 gr (max) of N340 were both good shooting loads. Groups were a toss up. Loaded HST at 1.142 COAL with CCI 550 Sm pistol magnum primers.

    I don’t have an outdoor range where I can run them over my chronograph. Thank you AR for some nice components!
     
    85MikeTPI

    85MikeTPI

    Ultimate Member
    Jul 19, 2014
    2,732
    Ceciltucky
    Cleaned up 100 once and twice fired 6.5cm brass for loading some tests for camp this week. I just picked up a used-but-unfired Savage 110 tactical this past weekend and will test it at 100, 400, 600, 800 yds.
     
    85MikeTPI

    85MikeTPI

    Ultimate Member
    Jul 19, 2014
    2,732
    Ceciltucky
    85MikeTPI said:
    Cleaned up 100 once and twice fired 6.5cm brass for loading some tests for camp this week. I just picked up a used-but-unfired Savage 110 tactical this past weekend and will test it at 100, 400, 600, 800 yds.
    Click to expand...

    Verified the 6.5cm load using 140gr Nosler RDF and Superformance powder. The speed came in a little lower than advertised (2650fps) but the bullets’ BC was higher than the Hornady Match ELD-X I was using for break-in and the POI was close enough at 835yds on full size IPSC Silhouette

    IMG_6012.jpeg
     
    Squaregrouper

    Squaregrouper

    Kragaphile
    Sep 10, 2009
    17,044
    Pikesville, Peoples Republik Of Marylandistan
    85MikeTPI said:
    Verified the 6.5cm load using 140gr Nosler RDF and Superformance powder. The speed came in a little lower than advertised (2650fps) but the bullets’ BC was higher than the Hornady Match ELD-X I was using for break-in and the POI was close enough at 835yds on full size IPSC Silhouette

    View attachment 466964
    Click to expand...
    I have a pound of that but haven't opened it because I can't find much data other that Hodgdon's website for an A Frame @ 43.8gr max.
    .
    ETA- The main reason I haven't experimented is the Hodgdon data and the GRT calculations vary wildly. Without another source (hint, hint) I am hesitant to start tinkering.
     
    Last edited:
    85MikeTPI

    85MikeTPI

    Ultimate Member
    Jul 19, 2014
    2,732
    Ceciltucky
    Squaregrouper said:
    I have a pound of that but haven't opened it because I can't find much data other that Hodgdon's website for an A Frame @ 43.8gr max.
    .42.2
    ETA- The main reason I haven't experimented is the Hodgdon data and the GRT calculations vary wildly. Without another source (hint, hint) I am hesitant to start tinkering.
    Click to expand...

    I have the Hornady 11th addition and it lists 140g-143g bullets
    2650fps @ 42.2g superformance. Max was 2800fps @ 44.7g.

    My load was 43.3g with the Nosler RDF at 2.800, the Hodgdon site for the A Frame was at 2.700 COAL.

    IMG_6019.jpg


    Barnes load data

    Screen Shot 2024-04-22 at 8.27.33 AM.png
     
    Last edited:
    Squaregrouper

    Squaregrouper

    Kragaphile
    Sep 10, 2009
    17,044
    Pikesville, Peoples Republik Of Marylandistan
    85MikeTPI said:
    I have the Hornady 11th addition and it lists 140g-143g bullets
    2650fps @ 42.2g superformance. Max was 2800fps @ 44.7g.

    My load was 43.3g with the Nosler RDF at 2.800, the Hodgdon site for the A Frame was at 2.700 COAL.

    View attachment 466980


    Barnes load data

    View attachment 466987
    Click to expand...
    Thanks. I prefer to see two sources that somewhat jibe with each other before working up a new load.
     
    Squaregrouper

    Squaregrouper

    Kragaphile
    Sep 10, 2009
    17,044
    Pikesville, Peoples Republik Of Marylandistan
    Squaregrouper said:
    Thanks. I prefer to see two sources that somewhat jibe with each other before working up a new load.
    Click to expand...

    85MikeTPI said:
    There’s jibing and then there’s all agree not to exceed 45g. If you’re looking for them all saying the exact same, then it’s them working up a load, not you working up one for your own gun…
    Click to expand...
    The sources you posted above were in the same ballpark, which is what I want to see.
    My previous sources weren't close to each other. This is why I haven't tinkered. GRT had me ~3.5gr higher than Hodgdon. With those as my only sources and 9lbs of H4350 in my shed, I was in no hurry to dig into Superformance.
    I now have three published sources that somewhat jibe with a spread of 1.7gr/<4% for max load. I can now comfortably start out. Thank you.
     
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