guntherapist
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My M&P .40 groups well but hits low and to the left, with different ammo too.
How do I adjust the sites?
How do I adjust the sites?
How adjust sites on M&P
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Spotteddog
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What OKF said (as usual).
Besides, the only way there would be to adjust POI up and down (elevation) on a gun with fixed sights, would be to mill them down, or replace them with shorter one's. I'd tend towards wanting to try using sand bags off of the bench with 3 shooters at a specific distance, all firing the same ammo, at the same size target. Only if all 3 shooters group in the same spot on their target's, would I condemn the weapons sights. YMMV?
Besides, the only way there would be to adjust POI up and down (elevation) on a gun with fixed sights, would be to mill them down, or replace them with shorter one's. I'd tend towards wanting to try using sand bags off of the bench with 3 shooters at a specific distance, all firing the same ammo, at the same size target. Only if all 3 shooters group in the same spot on their target's, would I condemn the weapons sights. YMMV?
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guntherapist
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Ya'll seem to be quick to condemn someones shooting style.
So I reckon ya'll adjust 'yourselves' to the gun, instead of the sights to the point of impact?
So I reckon ya'll adjust 'yourselves' to the gun, instead of the sights to the point of impact?
Not enough information provided to give a definitive answer.
The logical progression for this type of problem is
!. Determine if the gun is the problem. With the M&Ps I've shot there has not been a problem finding ammunition to match sight elevation. Windage is easily adjusted by drifting the sights. The easiest way to check sights is have a highly qualified person or 2 to shoot it.
2. In my beginning pistol classes, I frequently find people unaccustomed to the safe-action trigger pulls shooting low and left. In some cases, I have to take the pistol and shoot a group with it to get them to start listening about proper grip and trigger control.
Had a student last month shootin a foot low at 5 yards with a Glock 9mm. Pure trigger control problem. I had the student hold the gun and align the sights while I activated the trigger and it hit dead center. The light came on!
magnum12pm
Member
The folks are not condemning, they are attempting to help. I guess you think it is better to adjust the gun to your shooting style, rather than put the gun on a pistol rest and see for sure where POI really is. We should put up a sticky for properly adjusting a gun site off a bag or rest. It appears many people think you simply raise the gun, fire, then raise the sight up and right.....
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Windage is adjusted by moving the rear sight in the direction you wish the group to move. Thus, in your case, move rear sight to the right.
Elevation is adjusted by getting a different height front sight from S&W. You will need a shorter front sight.
Since the sights are fixed, and can only be adjusted as indicated, you should figure out what will be your carry load and sight in for that. You will just not be able to adjust all the time for different loads.
The sights are fit extremely tight at the factory. Moving them is a source of endless frustration for many people.
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alphabrace
Member
The sights are fit extremely tight at the factory. Moving them is a source of endless frustration for many people.
I want to put in a HIVIZ sight on my M&P. Are the factory sights put in with a threadlocker or just friction fit? BTW I shoot low and left also with my M&P. This is a good thread for me, thanks!
I want to put in a HIVIZ sight on my M&P. Are the factory sights put in with a threadlocker or just friction fit? BTW I shoot low and left also with my M&P. This is a good thread for me, thanks!
magnum12pm
Member
They are fit very tight the rear one is not to difficult to remove. It comes out left to right only. The front sight is a real pain to get out without a pusher tool. You can send just the slide to Novak they will sell and install them for you, if they have what you want. You might consider another option would be to install the Novak adjustable rear sight which is nearly a match for the one that comes on the M&P.
http://www.novaksights.com/index.htm
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alphabrace
Member
Thanks Magnum. I am thinking of designing a removal and or adjustable tool for the sights since I cannot find anything I like. The left to right is when looking at the rear of the pistol correct?
magnum12pm
Member
That is correct.
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guntherapist
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Now, this thread has finally started to progress.
Thank ya'll.
Thank ya'll.
Spotteddog
Member
Glad you managed to find the assistance you required?
dennis40x
US Veteran
One after market sight manufacturer alluded to the dove tail on the MP series pistols as having exhibited variances. As for sight pushers a local fellow whom reports to be a gunsmith has the top of the line sight pusher ($500-$600??Cost). He managed to mess up the instillation of a Novak front sight and a 10-8 rear sight. What can you say other than he did his best which wasn't good enough. That's been my experience with the MP to date.
BigRich315
Member
So in other words, leave it to the real pros? Like the good folks at Novak.
magnum12pm
Member
I sent a MP 40 slide to Novak last year for adjustable fiber optic site installation. If you send just the slide you can go USPS on the cheap. They had it back to me in less than a week, to my amazement, of course I live 130 miles from their location in Charleston. I think they charge about 35 bucks for install.
How much to move it?
1) Find the sight radius by measuring the distance between the front and rear sight.
2) Divide this measurement into the range in inches you are sighting in at. this gives you a "Radius Multiple"
Whatever you move the rear sight will move the impact on the target by this multiple.
Example:
Sight radius= 5 inches
Yardage 25= 900 inches
900/5=180 (Radius Multiple)
Moving your rear sight 1/16 of an inch (.0625) will move the point of impact 11.25 inches at 25 yards
Working the other way divide the amount you want to move the point of impact on the target by your "Radius Multiple" and you will get the amount to move your rear site.
Hope this helps.
1) Find the sight radius by measuring the distance between the front and rear sight.
2) Divide this measurement into the range in inches you are sighting in at. this gives you a "Radius Multiple"
Whatever you move the rear sight will move the impact on the target by this multiple.
Example:
Sight radius= 5 inches
Yardage 25= 900 inches
900/5=180 (Radius Multiple)
Moving your rear sight 1/16 of an inch (.0625) will move the point of impact 11.25 inches at 25 yards
Working the other way divide the amount you want to move the point of impact on the target by your "Radius Multiple" and you will get the amount to move your rear site.
Hope this helps.
dennis40x
US Veteran
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