Barnes 120gr TTSX seating question?

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  • DIANEB
    Warrior
    • Oct 2020
    • 511

    Barnes 120gr TTSX seating question?

    Can I seat the TTSX bullet OAL to 2.260 instead of 2.235?

    Thank you...
  • Zeneffect
    Chieftain
    • May 2020
    • 1092

    #2
    Originally posted by DIANEB View Post
    Can I seat the TTSX bullet OAL to 2.260 instead of 2.235?

    Thank you...
    probably. where is it at in relation to the lands? as far as charge weight, all things being equal you will have less pressure at 2.260 vs 2.235 (as long as you arent jamming the lands.)

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    • DIANEB
      Warrior
      • Oct 2020
      • 511

      #3
      Originally posted by Zeneffect View Post
      probably. where is it at in relation to the lands? as far as charge weight, all things being equal you will have less pressure at 2.260 vs 2.235 (as long as you arent jamming the lands.)

      I'm not at the lands even at 2.350 with the Hornady 123 ELD's...
      These will be used in a semi auto AR...

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      • Popeye212
        Chieftain
        • Jan 2018
        • 1598

        #4
        I would check the depth to the lands there are different ogive shapes. Different bullet different construction. Pretty sure your good but best to check and be sure.

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        • DIANEB
          Warrior
          • Oct 2020
          • 511

          #5
          Thanks for your help...
          There's 0.11 difference between the 123 ELD ogive 120 TTSX so I'll stick with 2.235...

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