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SR40 problems

This is a discussion on SR40 problems within the Ruger Pistols forums, part of the Pistol & Revolver Forum category; Hello all. I recently bought my first Ruger, a new SR40 and have a couple problems with it. First problem: The magazine is extremely hard ...


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Old October 31st, 2011, 05:01 PM   #1
 
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SR40 problems

Hello all.
I recently bought my first Ruger, a new SR40 and have a couple problems with it.

First problem: The magazine is extremely hard to insert. I really have to slam it to get it seated. This happens when the mag has 15 rounds. Anything less and it seats pretty good.

The second problem: When racking a round the round will jam. I have to really let the slide slam forward to get a round to chamber. Please note that the the gun cycles perfectly when firing. It happens with both mags (full or partially loaded), with and without the mag disconnect. I have cleaned the gun thoroughly.

Here are a couple of pictures. Click thumbnails






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Old October 31st, 2011, 05:26 PM   #2
 
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From my experience semi auto magazines, when full, tend to be more difficult to insert when the slide is closed. Have you tried inserting the mag with slide back and then releasing?(with thumb and finger, not slide release)

In the second question, it's just a guess that the bullet rim isn't sliding underneath the extractor, possibly due to the slide not being pulled back far enough and/or the breech face isn't smooth. Try a brass brush on the breech face to make sure there is no fouling by wiping with a cloth.
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Old October 31st, 2011, 06:13 PM   #3
 
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Not to insult, but both sound normal.

1) most new mags take some break-in time. I have many mags that wouldn't even except the last round until about a month of being left loaded. Just keep your mag loaded for a while and see if the issue persists.

2) don't baby the pistol while racking it, pull it all the way back and let er rip.
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Old October 31st, 2011, 06:33 PM   #4
 
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I had the same problem my first trip to the range with my sr9c. I read on this form to pull the slide back and let it go. Haven't had a problem racking the first round since.
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Old October 31st, 2011, 06:45 PM   #5
 
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Thanks guys, I appreciate the help. The reason I asked those questions is my Beretta and XD9sc dont do what the SR40 is doing. I guess different manufacturers will result in different results.

I've got about 300 rounds through it. How long a break in period does it require? I love the SR40 and the .40 cal round!

I leave the mags full and I have tried it with the slide open. A couple of times it has failed to feed properly.

Last edited by db1959; October 31st, 2011 at 06:46 PM. Reason: typos galore
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Old October 31st, 2011, 10:33 PM   #6
 
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Not likely a break-in issue.
These Rugers hold 15, barely; the spring is smashed. Not the case with the other two you mentioned. They are different animals, also ALOT of 40 ammo has a large flat nose. When REALLY being held tight in the mag, that face tends to get hung up on barrels; a hazard of the round/gun combo.
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Old November 1st, 2011, 01:53 AM   #7
 
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Quote:
Originally Posted by Darkker View Post
Not likely a break-in issue.
These Rugers hold 15, barely; the spring is smashed. Not the case with the other two you mentioned. They are different animals, also ALOT of 40 ammo has a large flat nose. When REALLY being held tight in the mag, that face tends to get hung up on barrels; a hazard of the round/gun combo.
You may have something on the bullet profile. My SR40 did the very same 2 things as the OP's when it was new: would sometimes hang up when hand feeding from the mag when using a truncated-cone shaped bullet. Switching to a RNFP (Berry's RS) profile eliminated this. A full mag is still hard to insert after @650 rounds and in addition, sometimes the slide will close when the mag is abruptly rapped to seat the it. Not sure if this would be a "problem" as long one keeps his finger off the trigger! Just a bit unnerving the first time. Makes for fast reloads, though. I don't mind it and some people like this feature.

Also, unlike my SR9c, this gun will allow the slide to release with the slide lock button with a full mag. This I DO prefer.
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Old November 1st, 2011, 03:42 AM   #8
 
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It does the same thing in my SR40. I don't top the mags off with 15 rounds, I load them with 14 and one in the chamber when i carry mine.
By the way, if anyone is looking for nice holsters for their SR40, the holsters for the P89 and P90 fit the SR40 like a glove.
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Old November 1st, 2011, 04:07 AM   #9
 
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This is all very funny to me since I have been reading in several places that the SR40 gobbles down SWC's just fine. I think some of them must just be leaving the factory a little more rough than others. As for the mag springs, sadly that is way too common for that last cartridge to be a pain. This is the first I have heard of that with the SRxx's though.
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Old November 1st, 2011, 08:18 AM   #10
 
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Thanks all for the advice! I'll run some more rounds through it and see if it gets better.

Flash, thanks for the tip on the holsters. I was wondering what holsters would fit the SR40
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