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Thread: Anyone with experience?? Can I use large pistol primers in 30-30 light cast bullet l

  1. #1
    Boolit Buddy
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    Anyone with experience?? Can I use large pistol primers in 30-30 light cast bullet l

    I just ran out of Large rifle Primers for loading 30-30 light cast bullet loads. Have plenty of large pistol primers. Have any of you loaded rifle cartridges with large pistol primers???? Please reply!!! Using Unique powder. Anxiously waiting for your comments. Thanks so much!! dd

  2. #2
    Boolit Master
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    Ive used pistol primers in the 45/70 with 2400 and Unique powder so I don't see why not. I have used them in 45/70 loads running on the upper side of 30,000CUP. Way on the upper side too.
    I am sure you will get the ones who wring their hands saying don't do it but I wouldn't hesitate in the least.
    We Know Mass Cannot Be Weighed But It Has Newtonian Weight And That Is Derived From Kilograms And Kilograms Can Be Converted to Pounds. But, Still Mass Cannot Be Weighed. But How is the kilograms obtained? Can Kilograms Be Weighed? Evidentally Yes It Can. But, Still Mass Cannot Be Weighed So Kilograms Must Not Exist. Funny Isn't It.
    One good thing out of this the next time I'm at the doctors and they want to weigh me I'll tell them mass cannot be weighed.

  3. #3
    Boolit Grand Master Texas by God's Avatar
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    I've done it with mild loads; no drama whatsoever.

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  4. #4
    Boolit Grand Master Outpost75's Avatar
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    Any load in which you can use a plain based bullet without bore leading, you can substitute a pistol primer, with the normal caveat that you want them seated to the bottom of the primer pocket so that they are slightly below flush, and in tubular magazines stick to blunt nosed bullets in low recoil loads.
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  5. #5
    Boolit Master
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    Never done it myself, but here is some theory.

    As stated above, the shorter large pistol primers will sit deeper into the primer pocket.

    Pistol primers were designed for handgun pressures. If the rifle pressure is within handgun pressure limits, then blowing a primer shouldn't be a concern.

    Me, I wouldn't fear using large pistol primers for the low pressure rifle loads that are described. But to restate, that is based on theory and not firsthand experience.

  6. #6
    Boolit Master
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    I shoot a lot of boolits from 30-30 brass. I can not remember the last time I used rifle primers. For my Contender I have a 10" & 14" barrel in 30 Herrett and a 14" in 30-30. Some 30H loads are a case near full of WC 844 (H335 equivalent). If you are pushing things, just work up your loads and watch for signs (too flat or piercing).

  7. #7
    Boolit Master corbinace's Avatar
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    On one of my 45/70 rolling blocks, I get light primer strikes. The short pistol primers are the only ones that make the problem show up. No problems other than than that though.

  8. #8
    Boolit Buddy
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    I've been using them in my cast 30/30 loads since 1970. Never had a misfire with one in 8 different rifles. Well not counting the 1 primer i loaded backwards. Powders i use is Red dot, Unique, 2400, Blue dot and HS7. Todd/3leg

  9. #9
    Boolit Master
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    Small rifle and small pistol primers are dimensionaly the same. Large rifle and large pistol primers are not. The pistol primers are taller and can stick up beyond the bottom of the base. It's not a good idea to mix them up.

  10. #10
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    Quote Originally Posted by NSB View Post
    Small rifle and small pistol primers are dimensionaly the same. Large rifle and large pistol primers are not. The pistol primers are taller and can stick up beyond the bottom of the base. It's not a good idea to mix them up.
    Hi NSB. I think you have that reversed. Large rifle primers are 0.008" taller than large pistol primers and have slightly thicker cup material. To answer the OP, like many have reported above, I also use LPP in lieu of LRP, especially on lighter cast loads. Use what you have without worry. Ed
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  11. #11
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    tomme boy's Avatar
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    I use pistol primers in my 7.62x54r all the time. I actually get better loads using them then the rifle primers.

  12. #12
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    Winger Ed.'s Avatar
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    I've used both LR and LPM primers in a Marlin .44Mag. and SP and SR primers for one in .357. No problems.

    Look up the pressure of a .30-30.
    It's way low for a rifle, and probably about even with a lot of handguns calibers.

    As low pressure as it is, you may have to look closely to even see much of a flat spot on the LP primer,
    much less a high pressure sign.

    They may chrono and impact a little different, but it shouldn't be by much.
    Everyone can learn from their mistakes.
    However; it's less painful, and cheaper to learn from the mistakes of others.

    Be ready to list all your aches, pains, ailments, and delicate conditions
    whenever some one says, "All ya gotta do,,,,,,,,,,".

  13. #13
    Boolit Buddy
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    Thanks so much for your assistance. With all this fresh snow I will have to wait a few days to get to the range. dd

  14. #14
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    fecmech's Avatar
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    Large pistol primers are all I've ever used loading my 30-30. I only load up to about 1600 fps with cast.
    "Of all tyrannies, a tyranny sincerely exercised for the good of its victims may be the most oppressive. It would be better to live under robber barons than under omnipotent moral busybodies. The robber baron's cruelty may sometimes sleep, his cupidity may at some point be satiated; but those who torment us for our own good will torment us without end for they do so with the approval of their own conscience."
    - C. S. Lewis

  15. #15
    Boolit Buddy
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    Thank You all for your comments to my question. I have now fired over 60 rounds loaded with 6.7 grains Unique and Meister 94 grain bullet sized to .309. Accuracy is good, but am thinking I will reduce the powder a little more. Will try 6.5 grains Unique next. Also 2.7 grains Bullseye. Large pistol primers work just fine.

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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