Seth B Posted February 19, 2011 Share Posted February 19, 2011 Im looking to start loading 45 acp and I see several different diameters of bullets listed. How do you know which size to get? Does it matter? thanks Link to comment Share on other sites More sharing options...
superdude Posted February 19, 2011 Share Posted February 19, 2011 standard diameter for 45 ACP jacketed bullets is .451 inches. for plated, cast and swaged, it's .452 inches. Link to comment Share on other sites More sharing options...
Harmon Posted February 20, 2011 Share Posted February 20, 2011 .451 for jacketed. either .451 or .452 lead (cast or swaged). .452 will shoot better but may not always chamber in tight chambered pistols Link to comment Share on other sites More sharing options...
noylj Posted February 24, 2011 Share Posted February 24, 2011 .451" for jacketed. Anywhere from 0.452-0.454" depending on your barrel's groove diameter. Link to comment Share on other sites More sharing options...
rhyrlik Posted February 24, 2011 Share Posted February 24, 2011 Some 45 ACP's will not accept bullets larger than .451". I had a Wilson CQB with a tight throat that required me to resize .452" bullets to .451" so they would chamber. Link to comment Share on other sites More sharing options...
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