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Forums Forums Firearms Rifles AR15 Brand new to the AR-15 platform and planning a build, will these parts even fit together? Reply To: Brand new to the AR-15 platform and planning a build, will these parts even fit together?

  • Digglenaut

    Guest
    July 12, 2021 at 12:45 am

    OP I’m not familiar with 224 Valkyrie or with 6.8 SPC II so forgive my ignorance, but are they essentially the same bullet and bolt? I see you have a barrel for the first one, and a bolt carrier group that seems to work for both. If the two, the barrel and the bolt carrier group, are not compatible, you could have a serious safety issue.