I purchased it about for weeks ago but have not been able to get any range time b/c of the pandemic. Someone suggested locking the slide open to accelerate break in, but how long should it be kept open? All three mags were loaded when I picked it up.
New M&P 9MM Compact - Another Q
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Ranger17
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Only my .02 as i dont have the experience many others may have; but i have never done anything like that on a slide on my new guns. In fact i just take them out and shoot them (understanding many of our ranges are closed) when i can. And I dont think I have noticed any real difference between round 1 and round 100 or 500. Perhaps in how I get used to a new model and how it "feels" but not the gun itself.
If we are to believe what the metallurgists and engineers tell us, (and I do, they know more about it than the rest of us), Locking the slide back and keeping the spring compressed will do nothing to "season" or break in the recoil spring and make the pistol easier to rack.
What will help is repeatedly locking back the slide, then letting it go forward. Over and over, many times.
Same with the magazine spring, loading the mags and letting them sit won't make the mags any easier to load. What will help is loading and unloading the mags over and over. That repetitive compression/ relaxation will weaken the spring, not leaving the mags loaded for days, weeks or years.
I'd rather just use a loader on new mags and let them break in on their own, than try to pre-weaken the springs, you'll just have to replace the mag springs that much quicker.
What will help is repeatedly locking back the slide, then letting it go forward. Over and over, many times.
Same with the magazine spring, loading the mags and letting them sit won't make the mags any easier to load. What will help is loading and unloading the mags over and over. That repetitive compression/ relaxation will weaken the spring, not leaving the mags loaded for days, weeks or years.
I'd rather just use a loader on new mags and let them break in on their own, than try to pre-weaken the springs, you'll just have to replace the mag springs that much quicker.
Never have heard of locking the slide back like described. Best way to "break it in" is to fire it, then fire it again, and again etc etc etc. Plus it is fun!! Enjoy you new gun!
Agreed. Just clean it, lube it and go and shoot it. Repeat as much as funds and time allow.
Old cop Is this pistol a M&P9c as in compact or a current 2.0 compact 3.6 or 4" .
Assume the break in will be far more about You breaking in to a new to you handgun . IF it is a first generation 9c that pistol could be a higher round count pistol of unknown history .
If nothing is know of the loaded ammo like brand and model , remove them give then to a reloader for bullets and brass to reuse .
Being used with no idea of rounds fired I would replace the recoil spring assembly . No need to rack the slide back and lock it .
Assume the break in will be far more about You breaking in to a new to you handgun . IF it is a first generation 9c that pistol could be a higher round count pistol of unknown history .
If nothing is know of the loaded ammo like brand and model , remove them give then to a reloader for bullets and brass to reuse .
Being used with no idea of rounds fired I would replace the recoil spring assembly . No need to rack the slide back and lock it .
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When I got my M&P 2.0 compact I cleaned it, took it to the range and started shooting. Never had a malfunction in a couple of thousand rounds.
I have heard of people locking the slide back trying to weaken the spring so a pistol isn't so hard to rack. If that is not the case I wouldn't bother.
I have heard of people locking the slide back trying to weaken the spring so a pistol isn't so hard to rack. If that is not the case I wouldn't bother.
cd228
Member
What's the Manual say?
IMHO the best thing to do with a new service style pistol is to read the manual and then field strip, inspect it, clean out the packing grease (if present), lubricate, reassemble, function check and then either do some dry fire or take it to the range.
As mentioned above cycles "break in" springs.
For service/defensive weapons I avoid esoteric break in rituals and detailed disassembly so that I don't accidental cause issues.
Congratulations and have fun with your new pistol.
I owned an occasionally carry the M&Pc 1.0 and it ran fine without any issues.
IMHO the best thing to do with a new service style pistol is to read the manual and then field strip, inspect it, clean out the packing grease (if present), lubricate, reassemble, function check and then either do some dry fire or take it to the range.
As mentioned above cycles "break in" springs.
For service/defensive weapons I avoid esoteric break in rituals and detailed disassembly so that I don't accidental cause issues.
Congratulations and have fun with your new pistol.
I owned an occasionally carry the M&Pc 1.0 and it ran fine without any issues.
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In answer to your Q it is a brand new, in the box, M&P Compact 2.0 9MM w/the 4" barrel & three 15 round mags that I loaded when I got it home. The genesis of my slide lock inquiry came from a member here and I thought it was unusual. When I was issued my Glock 23 service pistol our training included no such ideas, just lots of shooting to transition from revolvers to semi autos. I'm still waiting for our governor to OK the opening of ranges here, maybe two more weeks. It's been cleaned & lubed so it's ready to go.
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scattershot
Member
I wouldn't Worry too much about it.
No worries, it was probably me misunderstanding.
I hope you enjoy yours as much as I have mine.
obiwankabaldi
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I have an M&P 40c (original version) with four 10-round magazines. It has 16,000 rounds through it, and the magazine springs are still going strong, so don't worry about having to replace them any time soon. It's a great gun. It needed no breaking in, and it has been my EDC for over five years. Just go out and shoot it.
Enjoy!
Enjoy!
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fooled me. been shooting m&p's since they came out. work and 3 gun. my carry gun is a 3.5" never heard of it. new wives tale. dont shoot a colt l.w. .45 too much, u will burn it up
gee 12,00 rds later feels allright to me
talltexan
Wdbutcher97
Member
I wouldn't worry about it. I think that once you get to the range, you'll find that your new M&P functions perfectly. That was the case with my full size M&P 2.0. That wasn't the case with my LNIB full size gen 1 M&P. It wasn't very accurate and it ejected casings on my feet. I changed the recoil spring which helped get rid of the pile of casings at my feet, but it didn't help much with the accuracy. I know mine was an oddity, but I had to let it go. My M&P 2.0 on the other hand is a keeper.
Having all the ranges closed has been VERY frustrating! I've had my 2.0 for over a month and still waiting, and it makes no sense since the retail area is open. I'm getting ready to order some bulk 9MM and wanted to know if there is a brand to stay away from.
panther
Member
I'd like to know how you got one with 3 mags. Mine only came with 2. They must like you.
Thankfully, We have a range that has stayed open through all of this. I think because it's also a gun store. What has kept me away has been all the rain we've had this year.
Do as others have said, clean it, lube it, shoot it, repeat. They are very nice guns, you'll enjoy it.
Thankfully, We have a range that has stayed open through all of this. I think because it's also a gun store. What has kept me away has been all the rain we've had this year.
Do as others have said, clean it, lube it, shoot it, repeat. They are very nice guns, you'll enjoy it.
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