Well, that’s why I specifically mentioned their listing of Projection Length. It’s 0.970”. That’s the amount that the bullet will project from the case. It’s also why knowing what cartridge you’re asking about matters.
Here’s a .260 round in an AW mag. It answers your question:
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Now if you were shooting a long action 6.5 of some sort, you would likely have all sorts of room to mag feed these bullets.