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primer pierce

  1. Firing Pin Erosion from Pierced Primer - Novice Reloader

    Handloading Procedures/Practices
    I'm working up a load for a 223 Remington bolt gun and experienced a pierced primer. I prepared 10 rounds each using 25.1, 25.2, 25.3 25.4 and 25.5 grains of Varget under a Hornady 68 HBPT. I had previously worked up to 25 with very little pressure signs. I shot 5 shot groups - going across...
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