222 mag ackley improved

  1. slipknot

    222 rem mag ackley improved data

    Does anyone with experience reloading this round, have data to load 50 & 55’s for the 14” Contender? (I do have Mike Bellm’s Data, but that is for heavier heads. Rifle data will be fine, if that’s available. This case volume is larger than the 223RemAI, so any suggestions on how to modify that...