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Subject Topic: Beretta PX4 not cycling with Clays Post ReplyPost New Topic
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mrbillz
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Posted: January 31 2018 at 2:23pm | IP Logged Quote mrbillz

Greetings,
Have a new PX4 Storm compact and was shooting some reloads loaded with 3.2gr Clays behind a 180gr FN full copper jacket and had several that would not cycle the action. Those that did fire seemed light compared to the factory 180 gr RNFMJ unknown powder (RBS ammo). Has anyone ever noted problems with cycling a PX4 at starting loads? (This is a brand new gun).I've been handloading for decades and have never had an issue with failed cycling even at reduced loads, but I have never used Clays before either...

Thanks all for your input!
BS
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joed
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Posted: January 31 2018 at 3:57pm | IP Logged Quote joed

What is the cartridge?   I looked up the storm PX4 but I have no idea
what cartridge it fires.

Sounds like you're to light if not cycling.

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STCM(SW)
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Posted: January 31 2018 at 5:15pm | IP Logged Quote STCM(SW)

It fires .45 ACP it looks like.
And my Hornady has a starting load of 4.6 gr of clays.

Edited by STCM(SW) on January 31 2018 at 5:19pm


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joed
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Posted: February 01 2018 at 6:49am | IP Logged Quote joed

STCM(SW) wrote:
It fires .45 ACP it looks like.
And my Hornady has a starting load of 4.6 gr of clays.


Way under charged, I thought so.   

I figured it was either a .40 or .45 but nothing I found mentioned
cartridge for that gun.

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Kosh75287
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Posted: February 01 2018 at 11:22pm | IP Logged Quote Kosh75287

There are also some firearms that simply do not work well on reloads made with ultra-fast burning propellants, nor lighter projectiles. I'm wondering if something like Hodgdon Universal and projectiles weighing 200 grains or more might work better. Do you have other powders you could use?

Is there a reason you are working up so light a load in a carbine? Normally, one expects a modest increase in ballistics with a pistol-caliber carbine, though I think the increase is most pronounced with medium light bullets and propellants in the Universal/Unique burning rate, or slower.

ADDENDUM: I shoulda looked it up first thing, but anyway, the Hodgdon online site lists 3.8-4.5/Clays/180 LFP (brand not specified) as the starting to max loads.

Edited by Kosh75287 on February 02 2018 at 8:34am
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RT58
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Posted: February 02 2018 at 6:41pm | IP Logged Quote RT58

I've never shot a PX4 nor used Clays powder, but you have nothing to worry about yet.

When powder data is created for autos they list the minimum charge that cycled their firearm reliably. If you look at a variety of sources using the same powder and bullet weight and style, they will give varying starting loads as there are many variables involved and one of them is the firearm used.

Slightly increase the powder charge until you get reliable functioning, but don't go over their max. loads. If you can't get it to work try a different data source, adjust your seating depth if needed or try a different powder altogether, if none of this helps then you may have a problem.
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John Van Gelder
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Posted: February 03 2018 at 3:30pm | IP Logged Quote John Van Gelder

I load clays in my Ruger American .45ACP, and 3.5grains/200 grn, RNFP functions the action in my full sized gun and it makes a dandy plinking load, that does not throw the cases clear into next week.
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Kosh75287
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Posted: February 09 2018 at 10:24am | IP Logged Quote Kosh75287

VAN GELDER, do you have an estimate of velocity for that load? Mainly just curious. It sure sounds like it'd be a fun load to shoot!

For SOME reason, I don't use Hodgdon/IMR/Winchester/Whatever pistol/shotgun powders as much as their rifle powders. Not sure why, but probably has to do with my starting out with Hercules/Alliant/Stay tuned for next name powders, and getting very comfortable with THEM.

Conversely, I haven't used ANY of the Alliant rifle powders (unless maybe relabeled as something else). I don't AVOID them for any reason, I just have never had a need to TRY them.
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mikld
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Posted: February 09 2018 at 10:55am | IP Logged Quote mikld

Just outta curiosity I looked up Beretta's PX4 Storm
Compact. It comes in 9mm or 40 S&W, so with a 180 gr.
bullet, I'd guess 40 S&W...

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John Van Gelder
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Posted: February 09 2018 at 4:29pm | IP Logged Quote John Van Gelder

That little Beretta comes in 9.40 and .45, we are all guessing with out a specific caliber.

Kosh75287

The 3.5 gr, of Clays should be right in the 700-750 fps range. It is a fun load low recoil, not a lot of noise, and the brass is easy to find.

I bought a "jug" of Clays, back before the shortages, for a very good price, I still have a lot left and have spent quite a bit of time finding loads using that powder.

Another load I really like in the .45ACP is 5.5 gr of Trail Boss, that load with the 200 grn bullet is right in the 800 fps range. It burns so clean you cannot tell the gun has been fired after 20-25 rounds, no noticeable residue in the barrel or the action of the gun. With soft lead bullets, after a shooting session the barrel looks like it was just cleaned.

Your results may vary, but I am impressed.


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