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Thread: Some observations.

  1. #1
    Boolit Master
    Join Date
    Jul 2010
    Location
    Portsmouth Ohio
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    208

    Some observations.

    Saturday I had another shoot and I am starting to notice pattern. Seems like the ammo with a little less neck tension are shooting very well. This was the 2nd shoot in a row where I cleaned the sticks and the bullets were seated in such a way that they would slide in and out of the case very easy. Every once in a while the case would fall off from the projectile when I picked it up but that wasnt a big deal at all. I have been using a .473 bushing in my neck sizer but here lately I have been using the .474. I guess I will keep using this and see what happens. I have another shoot in 2 weeks at friendship. I can hardly wait.
    Last edited by ian45662; 08-06-2018 at 05:35 AM.

  2. #2
    Boolit Master

    rfd's Avatar
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    Feb 2013
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    NJ via TX
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    2,333
    years ago jerry hartwig, a west coast bpcr master and champ, told me that the best neck tension was none. i think he was on to something. however, i do need at least a bit of neck tension with a bore riding PPB, else it can literally fall off whilst in the chamber. with an ever-so-slight slight taper crimp, the PPB can rotate in the case and with little effort get pulled out. but i'd rather there be zero neck tension. dunno how that can happen unless the PPB wasn't bore riding and the ogive engraved the rifling.

  3. #3
    Boolit Master
    Join Date
    Jul 2013
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    The Pacific NorthWet
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    962
    I wonder if you could put a tiny tiny dot of Elmer's Glue in there or something - Some adhesive that would evaporate when the round was fired? I haven't tried zero neck tension - ever. Yet. Interesting.

  4. #4
    Boolit Master

    Join Date
    Mar 2013
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    Northwest Ohio
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    I shoot zero neck tension on my rounds also. I use a Meacham bushing die for neck sizing only and several bushing in .001 increments and a couple polished out to .0005 increments. Heres a formula to give you an idea of what bushing to use. neck wall thickness X 2 + measured bullet dia = loaded neck dia. For zero tension I had .001 to this to start. I also have tested at .0005 step.

    I normally prime fired cleaned cases powder them and wad compress to depth add rest of wad stack and hand seat bullet the size neck around bullet to set neck tension. My PP bullets are .449-.450 wrapped in Seth Cole paper. Bushing in sizer die is around .4695 size. this normally allows the case to be picked up and bullet stays in place. With grease grooved bullets the bushings changed out to a larger size since they are groove dia plus .001 or .002. One thing I like on the Meacham die is the cap is pass thry so a round with bullet seated can be neck sized easily.

    One thing I did try was a very light wipe of spg on the wrapped bullet this did seem to help hold the bullet in the case some with loght to no tension loads if the no tension wasn't sloppy

  5. #5
    Boolit Master
    Join Date
    Jul 2010
    Location
    Portsmouth Ohio
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    208

    Some observations.

    I have always seated the Bullet after I have sized the mouth. I wait until I get to the range to seat my projectiles.


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  6. #6
    Boolit Master
    Join Date
    Jul 2010
    Location
    Portsmouth Ohio
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    208
    Actually looks like I will be going to a 2 day shoot in Alma this weekend. Anyone else gonna be there?


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  7. #7
    Boolit Master
    Join Date
    Jul 2010
    Location
    Portsmouth Ohio
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    208
    Well **** that didnít go as well as o had hoped it would. Missed 5 lay downs on each day. I am still pretty happy with the way these looser bullets are shooting in-spite of my poor performance.


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Abbreviations used in Reloading

BP Bronze Point IMR Improved Military Rifle PTD Pointed
BR Bench Rest M Magnum RN Round Nose
BT Boat Tail PL Power-Lokt SP Soft Point
C Compressed Charge PR Primer SPCL Soft Point "Core-Lokt"
HP Hollow Point PSPCL Pointed Soft Point "Core Lokt" C.O.L. Cartridge Overall Length
PSP Pointed Soft Point Spz Spitzer Point SBT Spitzer Boat Tail
LRN Lead Round Nose LWC Lead Wad Cutter LSWC Lead Semi Wad Cutter
GC Gas Check