A case gauge is stupid simple - and can be had for under $15. It will provide far more immediate diagnostic information than questions, guessing, and buying random dies/parts.
If it fits in a min. gauge: https://www.midwayusa.com/product/17...e-gauge-45-acp it should fit in any in-spec chamber.
If it fails in a min. gauge but passes a max gauge : https://www.amazon.com/Lyman-Reloadi...e+length+gauge it's good to go for plinking in guns that don't have tight/match chambers.