Sd40ve short strokes help

Navyvbss

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Hey guys, so i have put around 12 to 13 hundred rounds through my sd40ve with very very minimal issues. I have had maybe 5 or 6 ftf and fte out of the 1200 to 1300 rounds i have put through it. The one thing i do consistantly have an issue with is the slide locking to the rear at the expense of my last round in the magazine. Now i bought this firearm brand spamking new and have taken great care of it but i have since cerakoted the slide a nice patriot brown and thrown a tlr-4 on it. Now the light/lazer wont void my warrenty but im not sure if s&w will fix this issue for me so i figured id ask you all fine gun owners. If i were to get a lower weighted recoil spring like a #17 would that help? I think they say theres is an 18 and i figured its just too much for the factory rounds im putting through it. Any recommendations?
 
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I have had maybe 5 or 6 ftf and fte out of the 1200 to 1300 rounds i have put through it.

Do you mean by "ftf" that you are experiencing a failure to feed, or a failure to fire? (I assume you mean failure to feed.) Did this happen before or after you cerakoted the slide?

The one thing i do consistantly have an issue with is the slide locking to the rear at the expense of my last round in the magazine. Now i bought this firearm brand spamking new and have taken great care of it but i have since cerakoted the slide a nice patriot brown and thrown a tlr-4 on it.

Did this happen before you cerakoted the slide, or only after?

If i were to get a lower weighted recoil spring like a #17 would that help? I think they say theres is an 18 and i figured its just too much for the factory rounds im putting through it. Any recommendations?

Assuming the RSA you have is stock, what is the ejection pattern like? How far and in what direction? What factory loads are you using?
 
Ftf meant as failure to feed, and that is not my issue im worried about. 5 ftf out of 1200 rounds in my book isnt bad. My issue is the slide failing to lock back in place after the last rounds been shot. And yes i have had this issue before cerakoting it. I thought maybe it was something that would go away during break in period but hasn't gone away. It seems like the recoil springs too heavy and it wont allow the slide to go back far enough to lock on the last round. When i put an empty mag in and pull the slide back to the rear it locks, it will lock in place everytime i pull it back, but when fired it doesnt seem to go back far enough to catch. Should i try a different spring?
 
Are the magazine's dirty and the spring isn't pushing the feed plate up all the way?

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When i put an empty mag in and pull the slide back to the rear it locks, it will lock in place everytime i pull it back, but when fired it doesnt seem to go back far enough to catch. Should i try a different spring?

Well, if you have the stock (and original) RSA in your gun, and you are shooting standard .40 S&W ammo, then it should work correctly. If you were shooting lighter loads, or had a lot more rounds, I'd think a new RSA might help. Of course, getting a new one from S&W can't hurt, and they should send you one for free. I'd first try a new RSA in the stock configuration if you are going to be shooting standard loads.

What is your ejection pattern like? Do the spent cases fly out of the gun, and more than a few feet away? Or do they just sorta fall out of the gun?
 
sounds like maybe the slide is slightly snagging on something on its way to the rear. maybe the under part of the slide that goes over the seer. in the middle of the slide. possibly polish it and check the mag to see if the slide is catching it slightly as it goes by.

i would try a new spring and see. they are cheap. but usually taking everything apart and polishing things can help sometimes.
 
Failure to hold open

<snip>

i would try a new spring and see. they are cheap. but usually taking everything apart and polishing things can help sometimes.

If you are referring to the RSA it seems to me that a new one has a good chance of being stiffer than a used one.
 
Sorry im just getting back to you guys, yes i am using the factory mags, no there isnt any dirt or sand in them and they are working right because when i manually pull the slide to the rear it will lock in place with the empty mag in it. It seems to me that the slide is being obstructed from moving all the way back to the rear far enough to catch. I will try polishing it up just a touch on the inside of the slide where the sear could possibly be rubbing. Just not sure exactly why it wouldnt lock back on the last round.

My case ejection is really nice they fly around 3 to 6 ft away off to my right at around my 3 to 5 oclock. Right where they should be. I have great mechanics on this and everything does as its supposed to except that darn slide catching at the rear on the last round. I can try another rsa and see if that does it
 
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My case ejection is really nice they fly around 3 to 6 ft away off to my right at around my 3 to 5 oclock. Right where they should be. I have great mechanics on this and everything does as its supposed to except that darn slide catching at the rear on the last round. I can try another rsa and see if that does it

Well, it can't hurt to try a new RSA, and S&W should send you one for free. If that doesn't fix it (and I suspect it won't) then before I spent any time tinkering with the gun, I'd send it in and let S&W fix it. They should pay for shipping both ways, and the turnaround time is usually pretty quick.
 
If i had the slide cerakoted will smith and wesson still fix it?
 
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If i had the slide cerakoted will smith and wesson still fix it?

I don't know...but I'd certainly call and ask them that specifically. I don't know if the cerakote has anything to do with the slide not holding open on the last round...you'd think that if there was a problem with the cerakote, it would show up at other times and in other ways as well. You need to be sure to tell S&W in advance, though, since when it gets there and they see the slide, they may just return it without working on it...or they may only work on it for a fee.
 
I would take the mags apart and clean them first/ thoroughly before doing anything to the gun. Could possibly be a spring issue in the mags or maybe the follower. Many times, things will work manually that will not work in actual function. I always start with the basics and work from there.
 
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