Extractors: Innie or outie? A tutorial

John Travis

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The question of internal vs External extractors comes up from time to time, and it mainly centers around which is best or more reliable. Since all modern autopistol producers have pretty much gone to the external type, we'll have to use Johnny Browning's pistols to represent those with the internal type.

I'll go ahead and make a flat statement here. Assuming sound design and execution of the design, neither is superior to the other in terms of function and reliability. They both do exactly the same things in exactly the same way.

During Browning's road toward the 1911, he used both types. The Model 1900 used an internal extractor. The 1902 and 1905...essentially the same gun with a few minor changes to the 1905...and the Model 1907 used the external extractor. These pistols functioned and there were no particular issues noted with their respective extractors. The problems that led to the Model 1909 were simply that the previous pistols weren't robust enough to withstand the pounding generated by the new .45 cartridge. The problems centered around the impact abutments, the vertical impact surfaces and lower barrel lugs, and the upper lugs.

Enter the completely redesigned Model 1909 with its single link tilting barrel, beefed-up upper and lower lugs, and slide to frame impact abutments, and...a return to the internal extractor.

Browning would have been fine with the external type but for one directive from the US Army Ordnance Board.

One of the criteria for the fine, new pistol was that it be easily serviced in the field, preferably without the need for specialty tools, with a minimum of small, easily lost parts. In those days, there were field armorers that were issued small parts kits for expedient field repairs and/or replacement. Because the external extractor pivoted on a tiny pin that required a punch to remove...and because it was powered by a tiny spring, both of which were easy to lose and hard to recover...the external extractor had to go.

So, Browning...taking a page from the German Mauser brothers...fashioned an extractor that acted as its own spring, held in place by tension, and locked by an easily removable plate that was in turn secured by the firing pin and spring.
Basically, it was a leaf spring with a claw on the front end and a means for securing it on the rear...and it worked...and Browning set about proving it by firing 6,000 rounds without a single failure to do its job, and its been doing fine ever since.

So, why all the claims of having to constantly fiddle with it and retension it and "retune" it?

Most of you aren't going to like my answer.

I have a pair of Colts and I've used strictly as beaters and I've beaten both like the proverbial red-headed bastard step child. They're both logged over 400,000 rounds collectively, about evenly split. Both are on their 3rd barrels. They presently stand at over 50,000 rounds...each...since I've had to do anything to the extractors other than periodic removal for cleaning. In fact, they're both currently still running on the OEM extractors that Colt installed nearly 35 years ago. I've adjusted tension once each in that time, though I did make light tweaks on one for deflection when the guns were new.

How can this be? (Many will ask) After all, everyone "knows" that 1911 extractors lose tension and have to be...fiddled with...in order to return to proper function.

The answer is very simple.

Those extractors don't lose tension from repeatedly springing open. With the proper degree of deflection, they actually deflect...spring open...very little. I like to see about .010 inch, but they'll function just fine with less. They don't need to move laterally very far to maintain tension on the case as long as the case rim diameter is within spec. At this point, note that the rims on some foreign ammunition are too small...notably the Russian variety.

They lose tension from impact and over springing and that happens when the round gets ahead of the slide and the claw is forced over the rim...which usually happens once per magazine...on the last round, but if the magazine spring is weak enough, it can happen on the last two.

So, the answer is that I use magazines...exclusively...that don't allow the last round to "jump the follower" or sometimes described as "jumping the lips" under recoil, and I use good springs. That means 7 round magazines with the bump on top of the followers to keep that last round in the magazine until the slide makes contact. Too many modern fancy magazine designers and suppliers have either lost sight of the fact that a genius designed that magazine the way he did for some very good reasons, or they didn't understand it to begin with. As I've said so often...so many people have been trying for so long to prove that they're smarter than Mose, they really think they have.

So, there you have it. The definitive answer to which is superior.
 
They lose tension from impact and over springing and that happens when the round gets ahead of the slide and the claw is forced over the rim
Being flawless when everything is perfect is not a hallmark of a superior design. There is a reason Kuhnhausen devoted 3 pages to it. He basically said here are the dimensions, if it isn’t exactly like this throw it away.
The overall design of the extractor system is finicky and hard to make compared to the external style.
The failure mode you describe-ammunition with variable diameter rims is not an issue for external extractors as they have a larger range of motion to accommodate this. So this case it is a superior system.
 
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So anticipating that future foreign ammunition would not be made to spec, and designing for that error, makes for a superior design?
 
Regardless of how each is us may feel about which design is superior, I’d like everyone, especially the younger guys, to take note that a wise, older man is freely passing on the knowledge of decades. Let’s file this knowledge away, use it, and make sure we pass it on. Too much generational wisdom is literally dying every day.
 
There is a reason Kuhnhausen devoted 3 pages to it.
Oh, please. Don't throw Kuhnhausen at me. There are more than a few things that he didn't understand about the pistol. The most glaring was his "Balanced Thrust Vector" description of operation.

And the internal extractor is more adjustable than you might suspect it you don't know what you're looking at...or you don't understand what the problem is.
The failure mode you describe-ammunition with variable diameter rims is not an issue for external extractors as they have a larger range of motion to accommodate this.
Yes, it is an issue. You just don't understand why.

If it will accommodate the .465 diameter rims that show up on the Russian ammunition, it will have too much of the tensioning wall showing laterally in the breech to accommodate rims that are on the high end of tolerance. Failures to return to battery were the result. I ran into that with a Glock once. It was adjustable. I adjusted it for the guy and all was well. Use a magazine that causes push feeding, and it will break eventually.

There are tolerances and requrements for everything. Get away them, and you'll have problems.
The overall design of the extractor system is finicky and hard to make compared to the external style.

I've never found it to be finicky. Harder to make, yes...and that's precisely why everybody uses the external these days. It's cheap and easy and doesn't require a high degree of skill or close attention in order to maintain blueprint specs.

But, finally...You're trying to steer this away from the points I've made. Namely, neither is superior in FUNCTION...along with a little history that explains why the internal type was used on a sidearm that was ultimately headed for the killing fields of Europe. If you have need to remove an internal type for any reason and drop that little spring on a hard floor, you'll understand better than anything written about the subject.

Out of spec conditions, ease of manufacture, aesthetics are another topic, which is why I never mentioned any of that. No sense in dirtying up a thread with irrelevant information.
 
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If you have need to remove an internal type for any reason and drop that little spring on a hard floor, you'll understand better than anything written about the subject.
BTDT. I prefer KISS and I have no issues with either extractor version. They both work until they don't. In my world they fail first from lack of lube and cleaning, and a Glock extractor will gum up and fail before a 1911 will. Again, in my world, and I'm a Glock guy. YMMV.

It seems maybe that KISS has changed over the years? A century ago it as 'fewer moving parts=better'. Today it's weirdly upside down: It's now cheaper, easier and simpler to keep multiple extras of those tiny bits on hand than it is to expect the person working on the gun to have the knowledge and skill to make a simple part work properly.
 
It seems maybe that KISS has changed over the years?
What likely caused the change was moving away from actually servicing a weapon in the field. The company level "field" armorers present in WW1 and 2 didn't show for the Korean War, and the troops were forbidden to disassemble their issue weapons beyond basic field stripping, requiring them to be turned in to the unit armorer for repairs or parts replacement...which could present a problem if you're on a search and destroy operation or a snoop and scoot, and the unit armorer is 30 miles away.
 
Namely, neither is superior in FUNCTION
Again, the robustness of the design is a function of the design. If a particular design is “picky” about ammo it is not as good.
If a design requires close tolerances and careful fitting it is not as good as one that does not.
I suspect the reason the design ended up as it did was not because of the superior qualities but at the time the technology simply was not available to mass produce small coil springs. They take very specific formulations of steel which was beyond the capabilities of the steel industry at the time. Spring manufacture also requires very precise heat treatment and until the advent of induction hardening techniques very difficult to do.
If you look at early Lugers the mainspring is actually a “S” shaped flat spring. The firing pin spring on the Dutch Beaumont is a Vee spring cleverly concealed in the bolt handle.
Like all designs they are a product of their time. Why was the frame steel? Because aluminum was expensive and weak at the time. Why did they use aluminum for frames in the 60’s? Because polymers were not developed enough.
 
Again, the robustness of the design is a function of the design. If a particular design is “picky” about ammo it is not as good.
It's not "picky" but like every other design, it does operate within certain parameters.

If a design requires close tolerances and careful fitting it is not as good as one that does not.
It doesn't require close tolerances. There's quite a bit of leeway throughout the whole pistol.
If a design requires...careful fitting...it is not as good as one that does not.
Neither does it require careful fitting. The myth of the old hand built 1911 pistol is just that. A myth. These pistols were 'built" on an assembly line, largely by semi-skilled workers who learned how with a few days of instruction. Later...before the US involvement in WW2...the prints were revamped so that all parts from any and all vendors would freely interchange...drop in...with an acceptable fail rate of less than 2%. If it was a design that required careful fitting in any area, the vendors that contracted to produce the pistols would have never met the deadlines.
I suspect the reason the design ended up as it did was not because of the superior qualities but at the time the technology simply was not available to mass produce small coil springs.
Nope. Small coil springs were everywhere in the firearms industry of the day. They were there with the Model 1902/05 and 1907 external extractors and they were there in Colt and Smith & Wesson revolvers.
They take very specific formulations of steel which was beyond the capabilities of the steel industry at the time.
Music wire has been around longer than any firearm we're discussing. That's what your "modern" coil springs are made of.
 
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Nope. Small coil springs were everywhere in the firearms industry of the day. They were there with the Model 1902/05 and 1907 external extractors and they were there in Colt and Smith & Wesson revolvers
I didn’t say they didn’t exist I said they were difficult to manufacture. Clearly if you knew how springs were made you would have a different opinion.
 
If the “innie” design was so much better why has it not been copied? Even the High Power gave up on the design !
 
I didn’t say they didn’t exist I said they were difficult to manufacture.
But, they weren't...difficult. Music wire wrapped around a mandrel isn't exactly rocket science.
Clearly if you knew how springs were made you would have a different opinion.
Clearly, if you knew anything about my background, you wouldn't have made such a snarky statement.

If the “innie” design was so much better why has it not been copied? Even the High Power gave up on the design !
The same thinking applied to the High Power as it does to all others. Namely...time and manufacturing costs. Simply put, the external type was faster and cheaper. Faster and cheaper equals fewer workers and tooling/machinery which equals lower bids and shortened delivery times.

When the change came at FN Herstal shortly after WW2, military entities were moving away from field repairs, and people were forbidden to disassemble their weapons past basic field stripping. Since removing an extractor in the field was no longer an option, an easily removable extractor was no longer a consideration.
 
We also have the benefit of hindsight after a century’s worth of innovation. A removable, serviceable, pivoting external extractor doesn’t necessarily require pins or particularly-small springs anymore (e.g. Glock).
 
We also have the benefit of hindsight after a century’s worth of innovation. A removable, serviceable, pivoting external extractor doesn’t necessarily require pins or particularly-small springs anymore (e.g. Glock).
But, it does require moving parts, and Murphy never sleeps.

And, we're still about to be derailed.

In function...while the pistol is operating...assuming a good design and proper execution of the design, they both work. They both do exactly the same things for exactly the same reasons.

What few people understand is that...in operation...in a locked breech/recoil operated pistol, the extractor's primary function is holding onto the case long enough for it to hit the ejector. It does very little heavy lifting as far as pulling the case from the chamber. I've long since proven that by grinding the claw off and leaving the tensioning wall intact and firing the pistol. Ejection pattern was a little wonky, but the cases did leave the port.
 
But, it does require moving parts, and Murphy never sleeps.
What do you mean by that? A pistol by definition is a collection of moving parts, and Murphy hates an internal extractor just the same. Crack a FPS and the extractor can become a problem. Have a bad mag or poorly fitted parts and you start to deal with clocking and claw-over-rim loss of tension.

Edited to add: is the proposition that the increased parts count in the external pivoting design adds options for Murphy to rear his head?

Thanks!
 
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Years ago, I had a problem with my first 1911 and asked about it on a previous iteration of this board. John Travis offered to fix it for the cost of a couple Hardees biscuits. That was one of those mornings whose memory I cherish. He imparted a lot of knowledge to me, a wet behind the ears youngun’, for so little in return. Not just on 1911s, but also on knife fighting, coffee, combat, and dogs.
 
If the “innie” design was so much better why has it not been copied? Even the High Power gave up on the design !

It is not a matter of which type of extractor is "better" but of which type is more feasible given a gun's manufacturing process. The milled slides of SIG's P210/P49 model (1947) used external extractors. The original designs (circa 1975-1989) for SIG's classic P220, P225, P226, and P228 models with folded carbon steel slides used internal extractors. Only after manufacturing processes shifted to CNC milling of forged slides in the late 1990s did SIG change back to external extractors.
P220_extractor.png
 
always flushes the argumentative "experts" amongst us...
But, every so often, ya run into a floater that just won't go down. :D
it occurs to me that I never properly thanked you for helping me with that problem I was having with that Commander a while back.
I *think* I remember that...and I think you did, actually...but, you're welcome Billy.
Years ago, I had a problem with my first 1911 and asked about it on a previous iteration of this board. John Travis offered to fix it for the cost of a couple Hardees biscuits. That was one of those mornings whose memory I cherish. He imparted a lot of knowledge to me, a wet behind the ears youngun’, for so little in return. Not just on 1911s, but also on knife fighting, coffee, combat, and dogs.
I like one-on-one talks with gun guys. Much easier than trying to type out a complex thought.

First rule of knife fighting: Don't. In a knife fight, everybody gets cut.

2nd rule: If your blade man knows his stuff, you'll never see the knife.

Coffee: Strong enough to strip paint. Anything less is a waste of water.

Combat: Too many points to list, but the two cardinal rules are:

1. When the enemy is within range, so are you.

2. It never happens the way you think it will.

Dogs: Don't get me started.
 
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If the “innie” design was so much better why has it not been copied?
But it has. With only a few exceptions, nearly every clone maker and copier of the 1911 pistol uses an internal extractor. The problem is that, since the mid-80s, they're all getting them from outsourced vendors, and many of those vendors aren't doing a very good job at holding spec. Surprisingly, the extractors that have been consistently within spec are the ones that were Norinco OEM...and that was likely because they were made in-house.

If a part is within spec...assuming that everything else is...it'll work. If it's not...even if everything else is within spec...you're gonna have a problem sooner or later. I've found that a good many pistols worked surprisingly well with an out of spec extractor, but 98% of the time just isn't good enough. Not for me, anyway.

I first noticed the problem of out of spec extractors around that time, and I made someting of a local reputation for being able to work around it most of the time and get the guns up and runnin'. That's largely where the nickname "Tuner" got started.

The other part of the problem...and this happened more than most want to think about...was that it was the slide that was out of spec rather than the extractor. The trick is in being able to spot which one is causing all the ruckus.

And, I've been finding out of spec slides and extractors ever since, and that is mostly how the myth of the "finicky" 1911 pistol was born.

As I've noted so many times...it's not the design, but rather the execution of the design. That's where the worms are.

The pistol was designed to function. As long as it's correctly built to spec and fed decent ammunition from a proper magazine, it WILL function. It's a machine. It doesn't have a choice.
 
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Yars eago, I had a problem with my first 1911 and asked about it on a previous iteration of this board. John Travis offered to fix it for the cost of a couple Hardees biscuits.
He didn't charge me a thing... jus' wanted me to watch his demonstration of the effect of good mags on controlled round feed. That's when I became a fan of Checkmate mags with tapered feed lips and dimpled followers.

I think my problem 1911 was a Para P13-45. He found an out of spec guide rod, fixed it by getting me to order a Colt replacement, which resulted in a few laughs on the forum.
 
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Years ago, I had a problem with my first 1911 and asked about it on a previous iteration of this board. John Travis offered to fix it for the cost of a couple Hardees biscuits. That was one of those mornings whose memory I cherish. He imparted a lot of knowledge to me, a wet behind the ears youngun’, for so little in return. Not just on 1911s, but also on knife fighting, coffee, combat, and dogs.

Same here. I had an issue with a 1911, posted on the old forum and, without hesitation, he sent me his address and told me when to come over. I think I wound up hanging out for at least 2 hours (he had my issue fixed in 5 minutes), talking about all sorts of topics. If memory serves, he had a dog that just didn’t like strangers and even it gave up glaring and growling after 45 min or so.
 
He didn't charge me a thing... jus' wanted me to watch his demonstration of the effect of good mags on controlled round feed.
That little demo has resulted in a good many facepalm/I coulda had a V8 moments. :D
I think my problem 1911 was a Para P13-45. He found an out of spec guide rod
You'll hafta refresh my memory on that one. You've brought me several delinquents over the course of about 15 years.

Do you still have that old Smith .32-20 Hand Ejector?
If memory serves, he had a dog that just didn’t like strangers and even it gave up glaring and growling after 45 min or so.
That woulda been Katy. Pit/English Bulldog/Sharpei mix. She was scared of men she didn't know. Women and kids she was fine with, friendly and playful. Since I never knew her background, I figured it had to have been an abuser. We lost Katy 2 years ago come October. Castle Doghair's cemetary grows almost year by year.
 
I’ve always loved the Stevens 66a extractors. They added 2 external extractors and then use the next bullet are the ejector. The rifle also has no feed ramp.
 
That little demo has resulted in a good many facepalm/I coulda had a V8 moments. :D

You'll hafta refresh my memory on that one. You've brought me several delinquents over the course of about 15 years.

Do you still have that old Smith .32-20 Hand Ejector?

That woulda been Katy. Pit/English Bulldog/Sharpei mix. She was scared of men she didn't know. Women and kids she was fine with, friendly and playful. Since I never knew her background, I figured it had to have been an abuser. We lost Katy 2 years ago come October. Castle Doghair's cemetary grows almost year by year.

Probably right. My memory had her looking like a Sharpei mix. Sorry to hear she is gone but glad she got to live her life in a great home like yours
 
50 year old misconceptions on a 100 year old design then I say spot on.
Do you understand that the main features of that 100 year old design are still in play and are alive and well and living in your Glock?

John Browning's fingerprints are all over it, with an honorable nod to Dieudonne Saive.

Both pistols operate in exactly the same way. If you can't look at both of them and see that, then maybe you need...a little more schoolin' and a little less attitude. Who knows. You might even learn somethin'. (Not that you'd admit it, of course.)

Nothin' but love!
 
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I remember spending a full day with John on the ins and outs of the 1911 and playing with his rescue pups. It was a great day.
If memory serves me, we fixed your buds delinquent Combat Commander that day after Dremel Dan bubba'ed up the feed ramp.

One of these days, I'm gonna find ol' Dan and when I do, I'm gonna beat on all of his fingers with a hammer.
 
If you mean propagate 50 year old misconceptions on a 100 year old design then I say spot on.

Being argumentative for the sake of being argumentative does not add value to the discussion.

Nor does having a negative view of forum members who don't relish going above and beyond legal requirements for deals. A negative view of J frame revolvers because you cannot master them and are too recoil sensitive. Or generally anything else that you sneer at simply because you think you know better. Even though you don't.

Try to remember that this isn't some random internet forum. Recall that you're actually conversing with your neighbors and maybe consider acting accordingly.
 
You'll hafta refresh my memory on that one. You've brought me several delinquents over the course of about 15 years.
The Para had a guide rod out of spec, as evidenced by the link... it didn't sit well. I woulda kept it if'n I hadn't found some nice Hi Powers.

There weren't too many delinquents, after that Colt Sistema we beat on with a hammer and completely rebuilt. I brought you a Commander and some others that you found nothing wrong with, other'n recoil springs too strong. I guess I learned what to look for!

Do you still have that old Smith .32-20 Hand Ejector?
That'n is gone, and another has taken it's place. :p
 
Being argumentative for the sake of being argumentative does not add value to the discussion.

Nor does having a negative view of forum members who don't relish going above and beyond legal requirements for deals. A negative view of J frame revolvers because you cannot master them and are too recoil sensitive. Or generally anything else that you sneer at simply because you think you know better. Even though you don't.

Try to remember that this isn't some random internet forum. Recall that you're actually conversing with your neighbors and maybe consider acting accordingly.
It’s like he’s following Gunny around trying to piss on his boots.
 
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