M&P 15-22 Malfunctions....

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GregB

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Shot a local 3 gun match with my 15-22 a few weeks back. Ran 3 stages just fine. On the 4th stage it was hitting @6 or more inches high at @50-60 yards and would fire 2-3 rounds and then jam. Specifically, the round from the mag showed a dent and the bullet was canted. Looks like the bullet almost made it to the chamber and then the bolt closed on the case. I had cleaned it and oiled it the night before. Same ammo on all stages. Ammo was from the Federal Black Bulk pack. I was bracing against a barricade.

I took the rifle out to my local club last week to try and duplicate the malfunction. Seemed to be hitting @ where I was aiming. I tried bracing against a post, pushing the mag against the post, holding it very loosely, holding it sideways, and rapid firing it. Using same ammo and mags. Couldn't duplicate the malfunction. The only thing a friend of mine could think of was 4 or 5 bad rounds of ammo that did cycle the bolt hard enough. However, I just saw the "renewed" safety alert from S&W. I wondered if the bolt issue that would allow the gun to fire multiple rounds, could instead cause the malfunctions that I saw?

Thoughts?

I haven't checked my bolt yet, as I'm trying to get over my irritation that a gun that I use for matches needs a tool from S&W to be safety checked. Get it to together people.

GregB

P.S. Yes, I've already started shopping for a 10/22 to possibly replace it, but I do love that little rifle.
 
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So, the recall problem is a shallow case recess? Presumably, the bolt will compress the rim against the face of the chamber?
 
Im not real sure, but it sounds to me like your magazine is allowing two rounds to slip past the feed lips causing the first round to enter the chamber canted and possibly dislodging the bullet head.. IM strictly guessing here and it sure would be nice to duplicate the problem..My 15-22 has been a real champ for many thousands of rounds with no troubles, hate to have you thinking about another rifle..
 
Lager said:
Im not real sure, but it sounds to me like your magazine is allowing two rounds to slip past the feed lips causing the first round to enter the chamber canted and possibly dislodging the bullet head.. IM strictly guessing here and it sure would be nice to duplicate the problem..My 15-22 has been a real champ for many thousands of rounds with no troubles, hate to have you thinking about another rifle..
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I think I'd agree with that. If I remember I had that issue early on with one mag, after ditching that one it has been rode hard and never let me down since. I'm actually faster and better with the 15-22 than any of the rugers I've had, so I couldn't give it up (not that I'd want to). And the boy keeps confiscating my rifles, so it's a bit of payback that I took his for once. Lol
 
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I have used thousands each of minimags, AR tactical, Blazer, and Automatch with no issues at all.


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I have seen a good number of bent cartridges in those bulk boxes. Also the occasional bullet that is loose ( twistable bullet/case ). Both of these are pretty good at causing miss feed jammers.
 
I had the same malfunction with two mags. Which, leads me to believe that it's ammo specific. Plan to use 40 grain CCI or something like it next time.
 
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