Quote:
9mm Springfield XDM: 1.049" touching lands
9mm Hi Point Carbine: 1.163" touching lands
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How are you measuring to determine that these lengths are touching the lands? I'd be willing to bet that you're not actually touching the lands at that OAL, but that the "hard chambering" you're describing is a headspacing, sizing, or crimping issue rather than a problem with OAL.