.38 cal. XTP bullets in .380ACP cases? - THR

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Old September 1, 2014, 08:49 PM   #1
Join Date: February 25, 2011
Location: Orange County, California
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.38 cal. XTP bullets in .380ACP cases?

I have a Browning BDA .380 ACP which I use as my backup carry gun. I received a bunch of Hornady HP XTP 110gr bullets in .38 caliber and am wondering if anyone has any experience loading this caliber of bullet into. 380ACP cases. They are the same diameter, but I certainly don't want to jeopardize my gun (or my hand). Thanks for any relevant input you can provide.
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Old September 1, 2014, 08:58 PM   #2
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First, they are not the same diameter, or at least shouldn't be.

9mm / .380 Hornady bullets are .355".
Hornady .38/.357 bullets are .357".

They will work in .380.
('Most' but not all .380's have over-size bores anyway.)

* IF the extra .002" bullet Dia. doesn't prevent them from chambering in your gun?

* And IF your gun will feed the wider HP pointy end of the .38 bullets?

Questions you will have to answer yourself by trying them.

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Or all your primers in a glass jar!

Last edited by rcmodel; September 1, 2014 at 09:05 PM.
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Old September 1, 2014, 09:00 PM   #3
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Just so I'm sure I understand, the .38 caliber XTP has a .357 diameter. Have you ever slugged your barrel of the Browning BDA?
You might consider trying some dummy rounds (no powder) to check the chambering function with that bullet in your gun.
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Last edited by Artofgolf; September 1, 2014 at 09:07 PM. Reason: Suggest dummy rounds
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Old September 1, 2014, 09:10 PM   #4
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The .38 cal 110 gr XTPs are intended for .357 velocities(900-1400fps) and at 110gr bullet velocities outta a .380 will perform terminally pretty much like standard FMJs.

Will they work? Probably, but they would not be my first choice as a SD/HD bullet outta a .380. Too many other options out there that will perform better.
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Old September 1, 2014, 11:44 PM   #5
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To go a step further...follow the advice 2 posts up about dummy rounds but don't have a primer in either. A primer will push the bullet out of the case and stick it in the barrel.

Best option is to sell them and buy cast 9mm/.380 acp diameter bullets. They will still be .357 but in cast lead that's the right size for .380. That caliber I known to be slow so your best bet for defensive or target rounds is one and the same...heavy for caliber cast lead as soft as will function properly so that you get the best seal in the barrel and the best expansion in the meat.
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Old September 1, 2014, 11:55 PM   #6
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Trade them for the proper bullets you should be using. I know HP bullets are hard to find but like mentioned above, thise bullets will probablt act like a FMJ bullet in your .380 anyway. I think loading them in a .380 Auto would be a waste of a good bullet.

Another point, a 110gr bullet is a little heavy for loading in a .380 Auto anyway, usually a 90gr jacketed bullet would make a good choice.
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