Question:

Primer problems in my 223?

by  |  earlier

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I just baught some 75gr bullets for my savage 10 with 1in 9 twist and after figuring out how deep i should seat them i whiped up a batch and went shooting when i fired the first i noticed smoke coming out of the chamber. when i looked at the casing i noticed that the dent wher my firing pin hit the primer and it was black and when i looked through the neck i could see light, so it seemed that there was so much presure it backfired. after the second time that happened i stopped fearing i would ruin my gun. now i waqs only using 19 grains of powder, the mininmum load and when reducing the charge it still happed. any suggestions in what might cause this?

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4 ANSWERS


  1. You definitely have a high pressure round.  It may be due to the bullet seating depth.  Try seating the bullet  out as far as possible, short of engaging the rifling, and still hold the bullet in the case neck.  That will lower pressure and help with accuracy.  Did you neck size your brass, or full length size??

    You will be better off neck sizing only for that rifle.  Do not them attempt to use that ammo in another .223 as it could be hazardous.


  2. Hi ---------- Take a look here... Cant say you'll find the answer but its a good start......

    http://www.6mmbr.com/223Rem.html

  3. There are a ton of variables. Did you clean out the primer pocket before reloading? Was the primer correctly seated?

    Try a resized spent case and fresh primer. No powder or bullet and test fire to see the firing pin print on the primer.

    What powder are you using?

  4. It kinda sounds like your firing pin is hitting too hard and puncturing it or something to that effect. That is just me taking a random guess though.

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