Sig 220 Jamming

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Worli

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My son in law has a Sig 220 (45ACP) that he bought at the same time that I bought my CZ97B. He has always had a problem with it jamming. He will get at least one jam from every 2 mags (about 16 total) His dad has the identical gun, never a jam. He has tried a variety of ammo, same result. He has put about 1200 rounds through it My CZ has NEVER once jammed. I have only shot that cheap Wolf ammo through it and no jams. He has also tried a different mag..........Seen it before?......Any thoughts?
 
Well, Sigs sometimes take a couple hundred rounds to break in, but at 1200, thats not it.

What sort of jams are they? Some P220 .45's are known to have finnickey extractors.

In any case, there is definitely something wrong; I'd say send it back. My 226 .40 has about 1200 rds through it since I bought it new, and never a malfunction from day one.
 
If he messed with the extractor that’s his problem. Lot of folks who initially bought the new 220 Stainless for whatever reason (1911 flashbacks) took the extractor out and from that point on had problems.

Send it to Sig, they’ll fix it.

I’ve owned 3 220’s and a 200 Stainless and I’m about to buy another standard 220 and I’ve never had a single problem with any of them, I carried one on duty in the early 90’s for years and I’m about to start carrying my stainless on duty.
 
I've heard of a few problems re: 220's, but jams & failures of any kind have not been one of them. Even the lemon I had was completely reliable from round one.
 
It might be helpful if you described the type of "jam" he is getting. Failure to feed? Failure to extract? Stovepiping?

When the Army type certified the SIG P228 as the M11 , they were required to fire three pistols for 5,000 rounds each. Total number of malfunctions for the 15,000 round total was zero.

In the 10,000 round rapid fire test, "In over 5000 rounds, there were exactly four malfunctions. One was due to shooter error, another was attributable to the ammo, and two more were a function (excessive grime buildup) of the severe conditions of the shoot itself."

So the problems he is having are pretty unusual.
 
I hate to cast aspersions on the guy second-hand, but it's always possible that your son-in-law may be limp-wristing the gun, while his dad is not - that would explain why the gun works perfectly for dad, but mysteriously jams on him...
 
If you were to give us exact details of what the malfunction is, then we could probably diagnose what part is causing the problem.
 
Greeting's All-

Problems with a SIG P220?:uhoh: Come on now, that just
doesn't happen!~:D (LOL)

Seriously, it can happen to some firearms, some
times; but it is rarely heard of with any SIG "Classic P-
series self-loader. As others have said, please describe
in detail what's going on, and we will try to help?

Best Wishes,
Ala Dan, N.R.A. Life Member
 
OK - here's the deal.........first of all my son-in-law is NOT limp wristed! He has several guns and shoots all of them well. His dad has his own 220. The guns are identical. No problems when either shooters fires that gun.

He has NEVER monkeyed around with the extractor or tried to act like a gunsmith because he's not and is smart enough to know it. He has tried 3 OTHER magazines and the gun jams as I described in my original posting.

Now, with all of that said, I am in for a lesson in the types of jamming. I don't know what "stovepiping" is for sure, but could probably guess. His problem isa feed problem. He has even made sure that he only uses round nose bullets so they don't get hung up on the shoulder of the bullet.

To this point, it sounds like the best advice is to send it into Sig. Any other suggestions, as always, greatly appreciated.
 
In a "Failure to Feed" jam (FTF), the old casing is extracted and ejected fine, but the new round nose dives into the feed ramp on its way into the chamber, keeping the round from chambering, and keeping the slide from closing. Typically caused by a bad magazine or JHP rounds with too much 'hollow' to allow the bullet to run up the feed ramp. If he's tried several mags and is using FMJ, I don't see how this could be it.

In a "Failure to Extract", the old casing never leaves the chamber, and if the new round is stripped by the slide at all, its nose will slam into the primer area of the spent case which is still in the chamber, and the slide will obviously not close. I'm not sure what can cause this, or how the slide is cycled on a recoil operated gun without the old casing leaving the chamber, but its happened first hand to me while shooting a friend's kel-tec P32. Might want to look at the extractor.

A "Failure to Eject" and a "Stovepipe" are basically the same thing. It happens when the spent casing is extracted, but does not clear the action in time, and is "caught" between the barrel and the slide as the slide is closing on the next round. This is typically caused by a bad ejector, or recoil spring tension could be out of spec.

A brand new Sig shouldn't be experiencing any of these problems after 1200 rds. I still say send it back.
 
Need to get somebody knowledgeable in the workings of Sig 220s to look at it.
A call to the factory is warrented.

We are not getting enough information to trouble shoot it , so far , here online.

My partner's 220 will feed wadcutters.

Sam
 
I agree with what my friend C.R. Sam said.:D

Don't tinker with it yourself; seek knowledgeable
and professional advice from a bonafided 'smith!:)

SIG's are wonderful firearms; sounds like yours
just needs a little tweeking.

Best Wishes,
Ala Dan, N.R.A. Life member
 
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