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Discussion Starter #1
Hey folks.......I don't reload but am interested in checking my SD ammo for "bullet setback".
Would someone please please give me the overall length specs for 9 MM / 40 S&W / and 45 ACP?:confused:
Thank You In Advance.......I Appreciate You!
 

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Hey folks.......I don't reload but am interested in checking my SD ammo for "bullet setback".
Would someone please please give me the overall length specs for 9 MM / 40 S&W / and 45 ACP?:confused:
Thank You In Advance.......I Appreciate You!
OAL will vary quite a bit w/ diff bullets, so for checking your factory ammo, measure new ammo. When the setback gets to be 0.05" shorter, time to chuck it. IME, when rounds setback 0.06"+ (about 1/16") is when pressures start climbing. The smaller the case & heavier the bullet, the greater the pressure increase. One reason 40s get a rap for KBs.
 

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Discussion Starter #5
OK guys for your prompt and excellent responses.......guess you are right I didn't think that question through to well...I will do as you suggested.:idea:
 
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