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P320 Compact Shooting Low

This is a discussion on P320 Compact Shooting Low within the P250 & P320 Modular Pistols forums, part of the SIG Sauer Pistols category; I recently bought a Sig P320 Compact with SIGLITE Night Sights. It currently has a #6 front sight and #8 rear sights. I've taken it ...


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Old 05-13-2017, 04:33 PM   #1
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P320 Compact Shooting Low

I recently bought a Sig P320 Compact with SIGLITE Night Sights. It currently has a #6 front sight and #8 rear sights. I've taken it to the range a few times now and it seems like the gun is always shooting low. Even today, I took it to the range and had to aim pretty high in order to hit the steel targets. Is this to be expected from my P320 or is it possible that I am doing something wrong? I am a newer shooter and it's definitely possible that my form or sighting could be off, so any tips would be helpful. I have had a couple of other more experienced shooters try shooting the gun and they also were shooting low. As far as my sight picture goes, I've tried aiming with a 6 o'clock sight, a center hold sight and a combat frame hold sight .. I just can't seem to hit the target without aiming well above the target. Any suggestions would be appreciated. Thanks!
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Old 05-13-2017, 04:39 PM   #2
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Congrats on the 320 and welcome from MO.

Many have reported fixing this same issue by replacing the front sight to #8, which is shorter.

If you look in the P250/P320 subforum you will come across a bunch of threads discussing this.

I saw this pic somewhere recently, and thought it was useful.

2ee5f497faa7bb574b4fc5600d4dcf57.jpg
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Old 05-13-2017, 05:03 PM   #3
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Cover the target with front post with the setup you have.
If you are holding 6 oclock you are aiming low.
Give it a try, hopes this helps.
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Old 05-13-2017, 05:05 PM   #4
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Shoot the gun from a rest to exclude the possibility that you have a technical issue with your trigger press. For example, some shooters push the gun forward and down in anticipation of recoil.

If it truly is sighted low, you can fix it by replacing the front sight. Call SIG and see if they will take care of you.
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Old 05-13-2017, 05:07 PM   #5
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Practice, practice, and more practice.
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Old 05-13-2017, 06:07 PM   #6
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Thanks everyone! Appreciate the input.
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Old 05-14-2017, 01:29 AM   #7
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Yep

Quote:
Originally Posted by DBS View Post
Shoot the gun from a rest to exclude the possibility that you have a technical issue with your trigger press. For example, some shooters push the gun forward and down in anticipation of recoil.

If it truly is sighted low, you can fix it by replacing the front sight. Call SIG and see if they will take care of you.
Whenever I encountered the described problem early on in my shooting, I found that it was my anticipation of recoil... not the sights. Try using DBS's solution, or what I did was to load some snap caps (dummy rounds) in my mag randomly. Load the mag without looking at the bullets/snap caps, or have someone else load it for you.

When I was shooting and encountered the snap cap as I squeezed the trigger, I would catch myself dipping the muzzle and then realized it was me trying to anticipate the recoil.

My solution was to firm up the grip, concentrate on trigger squeeze... straight back, and use more pinkie (little finger) pressure from both hands in my grip. The break should come as a surprise... even though you're "looking for it" so to speak.

Hope this helps.
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Old 05-14-2017, 02:56 AM   #8
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Quote:
Originally Posted by twoface01 View Post
I recently bought a Sig P320 Compact with SIGLITE Night Sights. It currently has a #6 front sight and #8 rear sights. I've taken it to the range a few times now and it seems like the gun is always shooting low. Even today, I took it to the range and had to aim pretty high in order to hit the steel targets. Is this to be expected from my P320 or is it possible that I am doing something wrong? I am a newer shooter and it's definitely possible that my form or sighting could be off, so any tips would be helpful. I have had a couple of other more experienced shooters try shooting the gun and they also were shooting low. As far as my sight picture goes, I've tried aiming with a 6 o'clock sight, a center hold sight and a combat frame hold sight .. I just can't seem to hit the target without aiming well above the target. Any suggestions would be appreciated. Thanks!
Morning twoface01

Almost every Sig that I own shoots low (for me anyhow) as received. Sig seems to set the gun up for using the sight dots not the top of front sight post.

I usually change out the rear sight for the next higher sight as it is usually easier for me to change the rear sight than the front one.

In the mean time you might try heavier bullets (in 9mm the 147 grain shoot more to POA for me anyhow).
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Old 05-14-2017, 04:39 AM   #9
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#6/8 sight combo is made for .40. 320s are notorious for coming with all sorts of inconsistent sight heights. If you have a 9mm, id suggest going with #8/8 sights and that will bring up your shots...as the #8 front height is lower which will bring down the rear of the pistol.
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Old 05-14-2017, 04:43 AM   #10
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I have to agree with everyone about using #8 on the front. I too was experiencing the shooting low issue, at 10+ yards. It was not as bad closer in, just due to the target being closer...I have a spare #6 now, cause I got a 8 from sig for free

Last edited by Yetskii; 05-14-2017 at 05:27 PM.
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Old 05-14-2017, 07:53 AM   #11
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All my Sig P320 in 9mm have 8 front and 8 rear and they are spot on with a combat sight picture. If you have a #6 front the sight is too tall and you'll always shoot low.

My P320 40cal has a 6 front and 8 rear and the sight picture is just right for a combat hold.

I despise the combat sight picture. All my other pistols have sights that the bullet impact is at the top of the front sight. When I find the right sights to get my P320s to aim the same way as my other guns I will change them all out.
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Old 05-16-2017, 11:04 AM   #12
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Quote:
Originally Posted by stlmia View Post
Congrats on the 320 and welcome from MO.

Many have reported fixing this same issue by replacing the front sight to #8, which is shorter.
Quote:
Originally Posted by sigfan320rx View Post
All my Sig P320 in 9mm have 8 front and 8 rear and they are spot on with a combat sight picture. If you have a #6 front the sight is too tall and you'll always shoot low.
.
Is there an idea or an expected elevation change with #6 vs #8 front sight? x inches difference at 10 yards, or anything like that?

I found with low left on this, dealing with anticipation (weird when I my first pistol was a 40SW 2022), regardless of tip, pad or joint of trigger finger, it still shoots low and slightly left. After over 700 rounds, making sure it is not me, it still shoots low with a #6 front sight.

Best I could do with a rest was a make shift rest on an ammo can with a towel under it and the grip-- at 5 yards, it shot one hole but still slightly low left. Maybe there's still shooter error?

Last edited by greeenteeee; 05-16-2017 at 11:06 AM.
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Old 05-16-2017, 11:10 AM   #13
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Quote:
Originally Posted by greeenteeee View Post
Is there an idea or an expected elevation change with #6 vs #8 front sight? x inches difference at 10 yards, or anything like that?

I found with low left on this, dealing with anticipation (weird when I my first pistol was a 40SW 2022), regardless of tip, pad or joint of trigger finger, it still shoots low and slightly left. After over 700 rounds, making sure it is not me, it still shoots low with a #6 front sight.

Best I could do with a rest was a make shift rest on an ammo can with a towel under it and the grip-- at 5 yards, it shot one hole but still slightly low left. Maybe there's still shooter error?
for me is was 2-3 inches at 10-15 yards with 6/8, so went with 8/8....Also, check your sight alignment....mine was off to the left a little...moved to right and I am much more in there...although my groups are a tad larger than I would like....but still in the kill zone
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Old 05-16-2017, 11:25 AM   #14
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Quote:
Originally Posted by greeenteeee View Post
Is there an idea or an expected elevation change with #6 vs #8 front sight? x inches difference at 10 yards, or anything like that?
Sure, checkout page 55 in the P320 manual. Link and text below.

https://www.sigsauer.com/wp-content/...16/07/P320.pdf

10.3 Elevation (Up/Down) Adjustment
There are different height combinations available for the front and rear sights.
The sights are numbered according to their height. You can change elevation by changing either the rear or front sight. Its easier if you change the rear sight first. There are six rear sight heights available. Each rear sight change will move the impact of the bullet approximately 2 at 25 yards. There are five front sight heights available. Each front sight change will move the impact of the bullet approximately 1 at 25 yards.When changing sights, remember this rule: NUMBERS UP, GROUPS UP; NUMBERS DOWN, GROUPS DOWN. This is true for both front & rear sights.
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Old 05-16-2017, 04:38 PM   #15
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I bought the same pistol (new P320C with sig night sites) and mine has a #8 front site instead of the #6 front that was factory installed on yours. #8 rear like yours. Mine is 9mm. What cal is yours?
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