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Primer size question???

Discussion in 'Reloading' started by Mr. Pump Gun, Jan 4, 2017.

  1. Mr. Pump Gun

    Mr. Pump Gun Member

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    I recently saw a chart that said the Winchester primers run smaller then the Remington ,so I was wondering if size would be a problem when swapping STS primers for Winchester primers( yes I'm using published loads and a scale). I'm using GC hulls with 16.5 grains of tightwad and 1 1/8 in a Fig. 8 wad. Any help is greatly appreciated. God Bless and Happy New Year!
     
  2. hmb

    hmb Well-Known Member

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    No problem. HMB
     
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  3. jmac_cope

    jmac_cope Active Member

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    Pump Gun
    I've loaded thousands of Gun Clubs with Win primers. I've never had a problem.

    Same to you for the good wishes

    John
     
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  4. waverider

    waverider Well-Known Member

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    HI
    Remington 209P(STS) primers are shorter than Winchester 209. Loading Rem 209P(STS) in Remington hulls is no problem. If you load any thing else in Remington hulls; you MAY run into problems like the primer not seating all the way in. This is because sometimes there is some plastic that rolls over the top of the original Rem primer. The plastic stops the taller primers from seating all the way. Those that do not have any problems have their press set up to force the primer home.

    Jason
     
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  5. Unknown1

    Unknown1 Well-Known Member

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    Nov 5, 2009
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    People who load on presses that support the hull base from inside while seating the primer (like the MECs) usually have better luck seating non-Winchester primers in Winchester hulls the first time the hulls are reloaded. There's too much flex in the hull base when using presses like the PWs to get the primer to move past the intruding plastic.

    Faced with this problem I use 2 options to get around it: 1) pre-prime my Remington hulls on a Lee Load-All or similar press but only the first time I reload them, or 2) twist either an "A" or a 15/64" drill bit into the primer tube from the outside to remove the plastic. Not all Rem hulls have this excess-plastic problem, and not all of them that do have it have it to the same extent. It's also worth noting that the nose of the Remington primer has a more rounded profile than do other primers. This leaves less room at the end of the primer hole for the square noses of non-Remington primers (see photo). When loading Winchester primers into once-fired Rem hulls, the "A" bit may be the better choice because of the distinct shoulder of the Winchester primer. The "A" bit leaves a little more plastic for the full length of the primer to seal against. After the first firing with the Winchester primers, the problem generally goes away.


    primer1.jpg



     
    Last edited: Jan 5, 2017
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  6. smokintom

    smokintom Well-Known Member

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    primer size.jpg
     
  7. Mr. Pump Gun

    Mr. Pump Gun Member

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    Oct 20, 2016
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    Yes, this is the chart I should have specified I meant measurement A and was wondering if it would make a difference. God Bless and Happy New Year!