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S&W 15/22 malfunction at the range

Started by colonial shooter, September 13, 2016, 07:34:12 PM

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colonial shooter

September 13, 2016, 07:34:12 PM
I do not know if others have had this problem, but I will put this out there for general info.

This past weekend we had a student show up with a 15/22. She had been using it pretty regular, since she had also attended our recent boot camp. After about 8 sets of squares, she began to notice the malfunction. Upon careful observation, it was noticed that as she reset the sear the rifle would discharge. We called cease fire and immediately removed this rifle from the line, and replace with a loaner.

Once off line, it was feild stripped and upon inspection, found that not only was it firing at reset, but also when the safty was engaged. Further inspection found that the trigger pin and the hammer pin were both loose. They both had moved about 1/16th of an inch to the right. Just enough to be loose on the left side of the receiver. The pins were gently hammered bak in and function checks performed. After about 3 sets, the hammer pin slid out again.

The rifle was reassembled and tagged out, student was told that 1) the rifle needed to be seen by her gunsmith, Or 2) (my reccomendation) sent back to the manufacturer for repair/ replacement.

Hope noone else has had this occur but thought it was important enough to pass on.
"When the government fears the people there is liberty; when the people fear the government there is tyranny." --Thomas Jefferson

Only the dead have seen the end of war
Plato

"Those who cannot remember the past are condemned to repeat it." - George Santayana

Kennebago

#1
September 13, 2016, 09:49:15 PM
My spidey sense is telling me S&W may have had a bad lot of lowers go out - not the first pin-related issue I have heard with their rimfire lowers this month. Not the second or third, either.

Conversation with a red hat leads me to believe that KNS antiwalk pins or similar will probably help a lot (which is a gigantic pain but at least they look really cool) - the safety thing is discomforting though. We should probably be keeping half an eye on them anyway given their early problems with OOBs and dumping extractors.

S&W will fix it pretty quick, they're not stupid. I have been wondering if they source those lowers externally or if they're made by Deep River in CT - if it's the latter, they've probably had it fixed for weeks or months already.

Thanks for the heads-up!
Wodan bood Mimir zijn oog
doch zou hij beter zien

FiremanBob

#2
September 13, 2016, 10:42:45 PM
What is the chance that the trigger group had been removed and reinstalled and the springs were installed incorrectly or that they were installed wrong by the OEM?
Author of "The 10/22 Companion: How to Operate, Troubleshoot, Maintain and Improve Your Ruger 10/22"

"Remember constantly that a nation cannot long remain strong when each man in it is individually weak, and that neither social forms nor political schemes have yet been found that can make a people energetic by composing it of pusillanimous and soft citizens." - de Tocqueville

colonial shooter

#3
September 14, 2016, 12:02:04 AM
Quote from: FiremanBob on September 13, 2016, 10:42:45 PM
What is the chance that the trigger group had been removed and reinstalled and the springs were installed incorrectly or that they were installed wrong by the OEM?

After careful examination, the pin holes seemed a little enlarged making them loose. I am in contact(or will be) with this student to follow up on this.
"When the government fears the people there is liberty; when the people fear the government there is tyranny." --Thomas Jefferson

Only the dead have seen the end of war
Plato

"Those who cannot remember the past are condemned to repeat it." - George Santayana

DrRichP

#4
September 14, 2016, 12:12:20 AM Last Edit: September 15, 2016, 12:55:46 PM by DrRichP
Hi Colonial Shooter,

Yes, the AOC has received a number of reports concerning the M&P 15/22.

Please see the following advisory

http://appleseedinfo.org/smf/index.php?topic=49549.msg337146#msg337146
"You never know how far reaching something you think, say or do today will affect the lives of millions tomorrow" - B.J. Palmer
   Think about that as you go to work the next Appleseed!

"The secret of change is to focus all of your energy, not on fighting the old, but on building the new." Socrates

"Those who would give up essential liberty to purchase a little temporary safety deserve neither liberty nor safety."-Benjamin Franklin

"What makes an insurrection here always more formidable than in other places is that there is a law of this province wh[ich] obligates every inhabitant to be furnished with a firelock, bayonet, and pretty considerable quantity of ammunition.â€�  - Gen. Lord Hugh Percy

m1agsr

#5
September 19, 2016, 09:46:00 AM
I just read that it's no longer allowed, until further notice.

http://bearingarms.com/bob-o/2016/09/15/breaking-mp-1522s-banned-appleseed-events-battery-run-away-discharges/

Is this true or click bait?
Are you a rifleman, or a cook?

O.___.                           
  )V        O.___.                   
  /%       ( V       ,____    O.___.
/  %      o/L         ,___--- V

DrRichP

#6
September 19, 2016, 11:04:21 AM
Quote from: m1agsr on September 19, 2016, 09:46:00 AMI just read that it's no longer allowed, until further notice.

http://bearingarms.com/bob-o/2016/09/15/breaking-mp-1522s-banned-appleseed-events-battery-run-away-discharges/

Is this true or click bait?

Read the post above yours and click the link found there. It is real.

http://appleseedinfo.org/smf/index.php?topic=49549.msg337146#msg337146
"You never know how far reaching something you think, say or do today will affect the lives of millions tomorrow" - B.J. Palmer
   Think about that as you go to work the next Appleseed!

"The secret of change is to focus all of your energy, not on fighting the old, but on building the new." Socrates

"Those who would give up essential liberty to purchase a little temporary safety deserve neither liberty nor safety."-Benjamin Franklin

"What makes an insurrection here always more formidable than in other places is that there is a law of this province wh[ich] obligates every inhabitant to be furnished with a firelock, bayonet, and pretty considerable quantity of ammunition.â€�  - Gen. Lord Hugh Percy

airplanejoe

#7
September 19, 2016, 11:30:36 AM

Quote from: FiremanBob on September 13, 2016, 10:42:45 PM

What is the chance that the trigger group had been removed and reinstalled and the springs were installed incorrectly or that they were installed wrong by the OEM?

Could be. I had the same anomaly with an match/target AR. I swapped the OEM trigger for an aftermarket 2-stage trigger; it began discharging at reset. Cause: incorrect installation (springs not aligning with the notch on the pins.). After re-installation, works as advertised.

It's hazardous to shoot the messenger.

aj

sluggo

#8
October 13, 2016, 10:29:35 PM
The love of liberty is the love of others; the love of power is the love of ourselves.
-William Hazlitt

Kennebago

#9
October 14, 2016, 01:01:17 AM
Yes, it was.

Smith changed the bolt group a little to address it, but that reputation trailed the M&P 15-22 around for a while (deserved or otherwise).
Wodan bood Mimir zijn oog
doch zou hij beter zien
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