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Mar 25th, 2012
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Beretta shoots low #7108236
03/11/18 11:54 PM
03/11/18 11:54 PM
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My Beretta PX4 9mm shoots great, but low. Sights are not adjustable, so I suppose my only option is to adjust the reloads. Iím shooting 115 gr JHPs that are loaded warm but not hot. Would shooting a heavier bullet bring that POI up? Iím a revolver guy, so this problem is new to me.

I suppose I could just aim a bit higher, but that isnít my preferred solution.

Re: Beretta shoots low [Re: 603Country] #7108245
03/12/18 12:03 AM
03/12/18 12:03 AM
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You could always take a file and lower the rear front sight a bit.... 2cents


Originally Posted By: skinnerback
Milf does the trick.

"You're statistically more likely to be killed by Hillary Clinton than an NRA member. - PolitiDiva

"You Cannot Simultaneously Be Politically Correct And Intellectually Honest!"
Re: Beretta shoots low [Re: SnakeWrangler] #7108252
03/12/18 12:06 AM
03/12/18 12:06 AM
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Originally Posted By: SnakeWrangler
You could always take a file and lower the rear sight a bit.... 2cents



Lower the rear? Needs to lower the front.


Cruz it or lose it!
Re: Beretta shoots low [Re: 603Country] #7108253
03/12/18 12:07 AM
03/12/18 12:07 AM
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wouldn't that make it shoot lower? seems filing the front sight would be the trick to bring it up



LI-SI-WI-NWI
Re: Beretta shoots low [Re: spankyttx] #7108255
03/12/18 12:10 AM
03/12/18 12:10 AM
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Originally Posted By: HWY_MAN
Originally Posted By: SnakeWrangler
You could always take a file and lower the rear sight a bit.... 2cents



Lower the rear? Needs to lower the front.
Originally Posted By: spankyttx
wouldn't that make it shoot lower? seems filing the front sight would be the trick to bring it up


I fixed it...I was thinking backwards....


Originally Posted By: skinnerback
Milf does the trick.

"You're statistically more likely to be killed by Hillary Clinton than an NRA member. - PolitiDiva

"You Cannot Simultaneously Be Politically Correct And Intellectually Honest!"
Re: Beretta shoots low [Re: 603Country] #7108309
03/12/18 12:56 AM
03/12/18 12:56 AM
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$79 for a set of adjustable sights from Beretta.

http://www.berettausa.com/en-us/beretta-px4-series-adjustable-rear-sight-and-front-sight/e00457/

You could also put a lower front sight or taller rear sight on it.


"If your plan is for one year, plant rice.
If your plan is for ten years, plant trees.
If your plan is for one hundred years, educate children."
-- Confucius
Re: Beretta shoots low [Re: 603Country] #7108317
03/12/18 01:06 AM
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Shooting a heavier bullet would raise the poi.


ďThe trouble ain't that there is too many fools, but that the lightning ain't distributed right.Ē
Mark Twain
Re: Beretta shoots low [Re: 603Country] #7108326
03/12/18 01:10 AM
03/12/18 01:10 AM
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What do the sights look like?


Re: Beretta shoots low [Re: okie44] #7108334
03/12/18 01:14 AM
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Originally Posted By: okie44
Shooting a heavier bullet would raise the poi.


Heavier bullets fall faster, right? Gravity?


Originally Posted By: bill oxner
Ever spit it out rather than swallow it?

Originally Posted By: pegasaurus
Enjoy it while you can. One day you might be complaining about NOT getting random pop-ups in the morning. grin
Re: Beretta shoots low [Re: BigPig] #7108343
03/12/18 01:21 AM
03/12/18 01:21 AM
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Originally Posted By: BigPig
Originally Posted By: okie44
Shooting a heavier bullet would raise the poi.


Heavier bullets fall faster, right? Gravity?


Travel slower, spend longer in the barrel, theoretically should hit higher because recoil should point the barrel higher.


The secret to a long life is to try not to shorten it

Powder coated cast bullets available. https://www.facebook.com/lazyhbullets/
Re: Beretta shoots low [Re: Tactical Cowboy] #7108348
03/12/18 01:24 AM
03/12/18 01:24 AM
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Originally Posted By: Tactical Cowboy
Originally Posted By: BigPig
Originally Posted By: okie44
Shooting a heavier bullet would raise the poi.


Heavier bullets fall faster, right? Gravity?


Travel slower, spend longer in the barrel, theoretically should hit higher because recoil should point the barrel higher.


up


ďThe trouble ain't that there is too many fools, but that the lightning ain't distributed right.Ē
Mark Twain
Re: Beretta shoots low [Re: 603Country] #7108373
03/12/18 01:42 AM
03/12/18 01:42 AM
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iíll try the heavier bullets. Canít hurt. And iíll think about buying the adjustable sights. Thanks for the suggestion on the sights.

Re: Beretta shoots low [Re: VAFish] #7108390
03/12/18 01:56 AM
03/12/18 01:56 AM
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Originally Posted By: VAFish
$79 for a set of adjustable sights from Beretta.

http://www.berettausa.com/en-us/beretta-px4-series-adjustable-rear-sight-and-front-sight/e00457/

You could also put a lower front sight or taller rear sight on it.

Now whats the fun in that.....


Originally Posted By: skinnerback
Milf does the trick.

"You're statistically more likely to be killed by Hillary Clinton than an NRA member. - PolitiDiva

"You Cannot Simultaneously Be Politically Correct And Intellectually Honest!"
Re: Beretta shoots low [Re: 603Country] #7108597
03/12/18 01:04 PM
03/12/18 01:04 PM
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try a "drive the dot" sight picture instead of using the top of the front sight post?

if that doesn't work, just replace the front sight post. You can buy different heights, just have to do some research on what you have so you can find a suitable replacement.

Re: Beretta shoots low [Re: 603Country] #7108615
03/12/18 01:21 PM
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7 yards?


"I ain't here for a long time, I'm here for a good time"
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Re: Beretta shoots low [Re: 603Country] #7108616
03/12/18 01:21 PM
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I went ahead and ordered the adjustable rear sight. That seems like the best solution to the problem. Now I will need to find a gunsmith to swap out that rear sight.

Re: Beretta shoots low [Re: Tactical Cowboy] #7108680
03/12/18 02:01 PM
03/12/18 02:01 PM
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Originally Posted By: Tactical Cowboy
Originally Posted By: BigPig
Originally Posted By: okie44
Shooting a heavier bullet would raise the poi.


Heavier bullets fall faster, right? Gravity?


Travel slower, spend longer in the barrel, theoretically should hit higher because recoil should point the barrel higher.


So in theory that would be the same for a rifle, right? Never had, or noticed, a heavier round shooting higher than a lighter weight round.


Originally Posted By: bill oxner
Ever spit it out rather than swallow it?

Originally Posted By: pegasaurus
Enjoy it while you can. One day you might be complaining about NOT getting random pop-ups in the morning. grin
Re: Beretta shoots low [Re: 603Country] #7108682
03/12/18 02:03 PM
03/12/18 02:03 PM
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If you go ahead and buy a sight pusher and diy it will be yours to keep. Then you can change them out at will. A decent pusher will also work for many different guns.

Re: Beretta shoots low [Re: okie44] #7108783
03/12/18 03:16 PM
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Originally Posted By: okie44
Originally Posted By: Tactical Cowboy
Originally Posted By: BigPig
Originally Posted By: okie44
Shooting a heavier bullet would raise the poi.


Heavier bullets fall faster, right? Gravity?


Travel slower, spend longer in the barrel, theoretically should hit higher because recoil should point the barrel higher.


up


Heavier (or slower) bullet will impact higher. Several years ago, I was shooting a lot of .38/.357 in a 6" barreled revolver. Same 158 gr bullet in .38 would shoot higher than in .357, because of the lower velocity. After tinkering a bit, I found I could shoot a 125 gr bullet (higher velocity) in .38 that would impact the same as the .357/158 gr at 50 feet.

I have not noticed the same behavior in rifles.

Re: Beretta shoots low [Re: 603Country] #7109240
03/12/18 10:35 PM
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What site picture are you using when you aim? Take a look at the info at the following:
http://berettausa.custhelp.com/app/answers/detail/a_id/766/kw/sights/session/L3RpbWUvMTMzNDMwNDc4OS9zaWQvdlFpNnh3Vms%3D
http://pistol-training.com/archives/1361

Also, have you looked at a pistol correction chart to see if any of those items are coming into play?

Changing to Beretta's recommended sight picture made a positive impact for me when shooting my PX4s and Nano.

Re: Beretta shoots low [Re: BigPig] #7109453
03/13/18 01:46 AM
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Originally Posted By: BigPig
Originally Posted By: Tactical Cowboy
Originally Posted By: BigPig
Originally Posted By: okie44
Shooting a heavier bullet would raise the poi.


Heavier bullets fall faster, right? Gravity?


Travel slower, spend longer in the barrel, theoretically should hit higher because recoil should point the barrel higher.


So in theory that would be the same for a rifle, right? Never had, or noticed, a heavier round shooting higher than a lighter weight round.


The recoil of a rifle is a bit different than that of a handgun. The handgun tends to roll up, rifle mostly straight back. When you get into the higher velocity stuff the shift is not as noticeable.


ďThe trouble ain't that there is too many fools, but that the lightning ain't distributed right.Ē
Mark Twain
Re: Beretta shoots low [Re: 603Country] #7110440
03/14/18 02:22 AM
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It's not because of recoil or the unlocking of the action. The time difference between bullets exiting a 3" barrel differing only by ~200fps or so is absolutely negligible.

The difference is because of the time it takes the bullet to reach the target, and where the target occurs within the bullet's path. All things held equal (spherical cow in a vacuum...), the bullets will reach the apex of their parabolic path at the same time, and fall to the ground at the same time. Exactly. However, the faster bullet will have traveled farther at any given point in time, so how does this impact ballistic zeroes with different weight bullets?

What we find is that at close ranges, the faster bullet will impact lower because it will have reached the target faster, and thus have completed less of its upwards travel to its apex.

Last edited by HicksHunter; 03/14/18 02:39 AM.
Re: Beretta shoots low [Re: 603Country] #7112129
03/15/18 05:10 PM
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Okie44 was right. Just did a bunch of shooting with 124 gr FMJ rounds, and the pistol is dead on. Heavier bullets were the trick.

Re: Beretta shoots low [Re: 603Country] #7113308
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Shoot low Sherriff he's riding a Shetland......

Re: Beretta shoots low [Re: 603Country] #7113381
03/16/18 05:11 PM
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Originally Posted By: 603Country
Okie44 was right. Just did a bunch of shooting with 124 gr FMJ rounds, and the pistol is dead on. Heavier bullets were the trick.


So much for the file idea.... bang

Glad you got it figured out.... banana2


Originally Posted By: skinnerback
Milf does the trick.

"You're statistically more likely to be killed by Hillary Clinton than an NRA member. - PolitiDiva

"You Cannot Simultaneously Be Politically Correct And Intellectually Honest!"
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