just purchased my smith & wesson m&p 9mm yesterday. I shot 8 cartridges so far, i had two jams. Is this normal? How many shots should i fire thru to get a smooth jam free result? What is the best ammo for the break in period?
Thanks – roxxy
Roxxy,
Wanted to say HI and Welcome to IDO,,,,
someone will jump on here some about your question.
Good Luck with the 9mm.
Jack.. 
I dont know much, but a brand new pistol should not jam. Especially a brand name like that. I have 2 autos and they have not. Even with packing grease it shouldn’t although you should tear it down and clean thoroughly. If I were you I would take it back and demand another gun. If the dealer wont help you contact S&W directly. Maybe even contact S&W first for their advice. I’ll bet they will help you towards resolution.
You shouldn’t be having jamming problems with that gun, but I would try a different box of ammo and a different load. Then if you still have problems you have done some trials and can tell the manufacturer that. If the dealer has a range it is always nice to shoot it there.
What grain bullets are you using?
When you say it jams…how is it jamming? Failure to feed? Failure to eject?
I’m going to guess that it fails to eject.
Best off calling S&W as they have TOP of the line CS.
A brand new gun requires a break in period. I say a hand gun is not broken in untill it has 200-300 rounds fired through it. I purchased a S&W .40cal a few years back and it jammed several times untill I had a signifigant number of round through it. What is the “jam” you have. Fail to fire (pin mark on primer) but does not fire, fail to feed or a double feed (fails to eject spent casing and the new round from the magazine pops up and jams). Let me know what kind of jam you are having I can probable give your a solution.
Does the “jam” happen with a certain magazine? 99% of firearm malfunctions are due to magazine problems ie damaged or flawed magazines.
What he said!
Something that might be over looked. Have you fired pistols before? I ask because I often find beginners will allow the pistol to flop backwards when they fire it. When that happens the energy needed to cycle the action is absorbed and the shell will jam. At the range we call it limp wristing, lol. Just a thought. I know it doesn’t matter what brand you have they can all jam at any time over the smallest reasons.
One more thought. New guns need to be cleaned. They are shipped coated with a heavy grease. Make sure to clean both the gun and the clip.
The other suggestion on switching ammo will probably be the cure.
-J.
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