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Discussion Starter #1
for those that own a bersa thunder - is it ammo sensitive?
what ammo do you use?
 

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I never fire steel cased, but most everything else seems to run fine for me. I usually use the Remington 102 grain Golden Sabers for street carry, and just about any brass cased ball ammo for practice. I have noticed one thing on just about any Bersa I have ever owned though, and that is after about 80-100 rounds, I start to experience some FTF or FTE. Mine seems to be sensitive to crud build up. Other than that, their great guns.:numbchuck:
 

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Discussion Starter #3
so you clean and relube after every 100 rounds?
 

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Discussion Starter #4
Mine does not seem ammo sensitive but does need cleaning more (round count)often than my Sigs
 

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My Bersa Thunder .380 shoot everything but Winchester target rounds with a slightly flattened nose. These cause occasional FTF. Everything else goes BANG. I shoot mostly reloads.
 

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Discussion Starter #6
I never fire steel cased, but most everything else seems to run fine for me. I usually use the Remington 102 grain Golden Sabers for street carry, and just about any brass cased ball ammo for practice. I have noticed one thing on just about any Bersa I have ever owned though, and that is after about 80-100 rounds, I start to experience some FTF or FTE. Mine seems to be sensitive to crud build up. Other than that, their great guns.:numbchuck:
I have a Bersa Thunder 9 UC Pro and I've put hundreds of rounds of different ammos through it and I have never had a failure of any kind with mine.
 

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Discussion Starter #7
The rules seem to vary a bit with each gun, but on my BT380s, one of which I've had for six years, and 9UC, I stick with the general rule of American Made, brass cased, and round nosed in FMJs. Like many have complained, the first of my 380s did not like the Winchester blunt nose or the early versions of Buffalo Bore JHPs when the 380 was new. I still don't use either of them, but other report no problems once the 380 is broken in. On JHPs, I've not had any problems, other than already mentioned, but again, American Made, brass cased JHPs for all guns. The guys and gals of the Bersa Chat forum discourage the use of any steel cased due to excessive extractor wear. I've not had a crud build up problem so far. After firing, I clean with home made Ed's Red, followed by a liberal application of non-chlorinated aresol brake cleaner to rinse and use Finish Line Dry Teflon Lube. For street carry I use Federal Premium +P 147gr in the 9 and Speer Gold Dot currently, but being they're being replaced with Corbon DPX, in the 380s as they test out better than the Speers.
 

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Discussion Starter #8
My thunder plus is not sensitive to ammo but I carry it with either Speer 90 gr GDHP or Corbon 90 gr JHP
 

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I have a Bersa Thunder 9 UC Pro and I've put hundreds of rounds of different ammos through it and I have never had a failure of any kind with mine.
I have only owned the .380 ACP models. I don't know about the other calibers.
 

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My Bersa Thunder .380 and .45's have ran with everything that I have put in them. When running some S&B ammo through it the .380 will get real dirty though and need to be field stripped and cleaned off every hundred rounds or so to keep it running smooth and not jamming. The .45 runs steel case ammo just as well as brass but I haven't really fired it that much yet only maybe 500 rounds so far....
 

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Resurrecting an old thread. My Thunder 380 CC model doesn't seem to be sensitive to ammo. I had a few jams (the gun is 2 months old, maybe 300 rds) so I'm not worried. It's new.

I've been concentrating on getting the best BANG for my Bersa since 380 is not the most confidence-inspiring caliber for self-defense. I've shot a lot of junk. Steel-cased ammo, some better Lawman and other various brands. My focus is on the Buffalo Bore brand and its 85 - 95gr HP and a 100gr Hard Cast Lead bullet with a (small) flat nose. I like them but it seems ALL 380 ACP ammo is filthy! My hands are dirty from fooling with my Bersa like I've never seen when shooting my Glocks, Rugers and Taurus.

What I did was polish the heck outta the feed ramp. So much so, that I overlapped it into the edge of the chamber where there was a miniscule seam. Very tiny but a seam, nonetheless.

I polished it all into a smooth, seamless plane from the ramp into the chamber and then coated it all with Eezox dry lubricant which dries dry and smooth. So far it runs flawlessly. But that baby DOES get dirty quickly!

I plan on a bit more experimentation and testing after ammo HOPEFULLY gets easier to find in the near future (fingers crossed). But that BB ammo is a real first class powerhouse. If you don't use the +P stuff too much (as in almost never...) I think all should be all right.
 

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for those that own a bersa thunder - is it ammo sensitive?
what ammo do you use?
The only ammo I had a problem with on my 380 Bersa's was some Russian ammo in a brown box. Don't remember if there was a name on it. Did not use the whole box.
 

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No steel case ammo Not good on the extractor and not sure be good on the feed ramp .

Mine has worked with any name brand ball or HP I have tried many HP and now only carry Corbon DPX

To people that carry the 102 gr Golder Saber I would rethink that many test on u tube show no expansion my own water test showed none. Other problem was as much as 80FPS difference bullet to bullet. I don't want one at 900fps and next one at 820fps Now this problem only seems to be in the 10Remingtongton 380 loads Other are fine I use Remington in one of my 9mm. and have shot their lighter380 HP.

GoldenLoki in a KelTec got 773FPS 135 ftlbs and no expansion with the 102 gr Remington Both the Corbon 90gr JHP or the Speer GoldDot 90gr HP beat it Corbon 981fps 181ftlbs and .463 expansion Gold dot went 909fps 165ftlbs and 452 expansion
 

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for those that own a bersa thunder - is it ammo sensitive?
what ammo do you use?
I saw 2 Videos on youTube yesterday about the Bersa Thunder Plus. The first one the speaker was saying that he had fired hundreds of rounds of just about every Ammo type without a problem.
The other showed a Bersa Thunder plus fired into a fabic covered 19" block of ballistic testing media backed up by 3 Gallon jugs of water. The first bullet was a Federal 95gr FMJ and it went thru the 19" of ballistic testing media and then passed thru all 3 gallon jugs of water. The second bullet was a Winchester 95gr Flat nose FMJ and it to went thru the 19" of ballistic testing media however it stopped in the second gallon jug of water. Anyone else seen other videos, this does not seem right. Going thru 19" and 3 gallon jugs of water with a 380 bullet does not seem possible.
:cool:
 

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My Thunder plus fires everything great.I don't put steel cased ammo in it.You may experience a situation with the Thunder Plus when it will stop firing like the firing pin is broken.If you remove the grip panel on the rt.side you will notice a small pin sticking out about an eigth of an inch.Tap it back in and file the little strap down on the little bar it was sticking on. Some of the Bersa Chat sites have the names for all the components ,but the repair takes 10 min. max.and fixes it. They have pics too..
 

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Please send pics. I don't have this problem but would like to know for future reference.

Thanks BIGDAVE54.
;)
 

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The only ammo I had a problem with on my 380 Bersa's was some Russian ammo in a brown box. Don't remember if there was a name on it. Did not use the whole box.
Here is a video of russian ammo in a Bersa. This is not the same ammo I talked about in a brown box.
 

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for those that own a bersa thunder - is it ammo sensitive?
what ammo do you use?
Went to the Range today to get some target practice in with my BT380 and after 2 box's ( 100 rounds ) with the day being so great I did not want to leave so I a purchased a box of ammo from the range. It was PPU ammo and it fired great with no misfeeds or jams. However I am not sure I like to comtinue using ammo made in Serbia......

:cool:
 

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... I a purchased a box of ammo from the range. It was PPU ammo and it fired great with no misfeeds or jams. However I am not sure I like to comtinue using ammo made in Serbia......
I got some Russian ammo 35 to a box :confused: and wrapped in wax paper stapled closed! It looked primitive. And it was absolutely the most FILTHY ammo in any caliber I've ever used. My hands were black just from handling this stuff. It shot OK but I had more duds than any other type, too. If it weren't for the shortage I'd have passed on this stuff.
 
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