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Discussion Starter #1
from the literature i've read, i'm told that the XD has the internal function of the SIG. and it has various other functions similar to the GLOCK, and 1911.

can anyone explain to me what makes the SIG and XD internal action the same (or better said, similar)? the mechanics of firearms eludes me, since i'm not too mechanically inclined. :oops:

additionally, other than the grip safety, how is the XD similar to the 1911?

is the XD's trigger safety the only similarity shared with the GLOCK?

i've been told (i think more in a joking sense) that if you handed a 1911 lover a GLOCK, and told him/her to reinvent it...you'd wind up with an XD. is there any truth in that joke?

i've been so wrapped up in shooting it along with a limited quantity of other guns that i haven't even thought of the XD's functioning characteristics.

any help...is appreciated, thoroughly. :)
 

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From what Ive read, the XD has the grip safety and angle on the handle of a 1911, the trigger of a Glock, and from what I remember... just the sights of a Sig.
 

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i've been told (i think more in a joking sense) that if you handed a 1911 lover a GLOCK, and told him/her to reinvent it...you'd wind up with an XD. is there any truth in that joke?
I'll start with this; I'd say yes, and maybe. If you gave me a Glock and said "fix it", I'd give it the 1911 grip angle and a grip safety. What have you then? More or less, an XD. (BTW, that's a funny quote :))

As far as the Sig similarity goes, the XD shares (more or less) the same takedown system that the Sig uses. As far as the actual internal workings go, they really aren't all that similar as far as I know*. If I recall correctly, all of the Sigs are hammer fired, where as the XD is striker fired

* (I could be wrong here; never been a Sig owner.)

In any case, I'm sure someone here will be able to answer your questions and correct me if I "speweth the b.s." :)
 

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Discussion Starter #4
mr0w1 said:
In any case, I'm sure someone here will be able to answer your questions and correct me if I "speweth the b.s." :)
funny. is it JUST the disassembly then? i hear about links, and blow back actions, and delayed this and that, or browning style, etc. i guess i'm asking some technical questions but, i took the XD apart down to pins and springs a while back in the attempt to "know" the function better, and all i got out of is a familiarity with it. i don't, per se, know any more about it.

i appreciate this info...feel free to use the quote as you will. :-D
 

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That's all I'm aware of. Of course, while I've shot more autos than I can count, I've only taken apart a few. There could be more to the XD/Sig thing than just that.
 

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might be wrong here, but dosen't it use the linkless browning system like a sig, whereas a glock does not? i thought glock didnt have barrel tilt on the lockup, whereas an XD obviously does.
 

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You will find a lot of the answers you are looking for in an article that is linked to in another thread..

This will answer many of your questions, and it is a pretty good read!

hat-tip to hobocircus who posted the link to the article.

Raymond
 

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Parabellum9x19mm said:
might be wrong here, but dosen't it use the linkless browning system like a sig, whereas a glock does not? i thought glock didnt have barrel tilt on the lockup, whereas an XD obviously does.

Glock uses a linkless Browning system too. The barrel tilts back when feeding.
 

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c22m22c said:
that article rocks!! :) VERY informative.

now, can anyone tell me what a
Browning-type cam-ramp, tilt-barrel operation
does???

what does this mean, exactly.
I found this animation, I think it makes a pretty good illustration of the "Browning-type cam-ramp, tilt barrel"



The action of the slide moving back allows the barrel to tilt downwards.. the next round is forced upwards and forwards past the slight indentation on the locking block which marries with the feed ramp (cam) and chambers the next round.

(If my description is not right, or lacks lucidity, please help me out here anyone!)

That's my limited undestanding of it anyway..

Raymond
 

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Very cool, useful illustration...but isn't that how the 1911 works, and not the XD/Sig/Glock (linkless) system?
 

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I'll be honest with you, I am not really sure.. I am looking at my pistol, with the slide removed.. and placed the guide rod in, with the barrel positioned as it would be over the guide rod, and it seems evident that as the slide moves back, the guide rod "tilts" the barrel back and downwards so that the next round chambers.

Here's the text from the site I found explaining the process..

Browning style locking is a short-recoil system, where the force of the gun firing pushes the barrel and slide back as a locked unit a short distance. They then unlock and the slide continues its recoil and loading cycle alone. The first version of this, and all non-super Stars used a swinging link. This separate piece of metal was replaced on most guns with a simple ramp. The M28 (and SIG P-210, and CZ-75, and others) use a cam path that entirely controls the action of the barrel, like a link, but with fewer moving parts. The bright green shape under the barrel in this animation highlights the cam path.
Raymond
 

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Discussion Starter #17
interesting animation. still confused though. :? anyone care to explain to me like i'm a 6 year old???

(and things like...point gun, pull trigger, gun go bang...may be omitted) ;-)
 

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dude.. you are getting beyond my level.. If I totally understood the whole process I might be more help..

this is my understanding...

as you pull the slide back, minimum 3/4" the sear will grab the firing pins "lug". When you release the grip safety, that will allow the sear to drop, and allow the firing pin to move forward, striking the cartridge, and making that "bang" sound (explosion)

This "bang" sound forces the slide rearwards, and under tension from the guide spring snaps back into place... The "cam" is the circular motion which add's force or utility to the process.. as the slide moves rearwards, after the "bang" the barrel drops slightly to allow the next round (under pressure from the magazine springs) to feed the next round into the chamber.

Take your slide off, and look at the locking block (that large metal thingy on the frame with the rails) you will see an indentation on it which matches well with the feed ramp on your barrell.. the barrell slides back and down so that these two components make a circular motion, which forces the next round to chamber.

I hope this is helpful.. but I think it could be better explained by some of the more knowledgable folks around here.. normally I only do comedy relief...

I do have pictures of myself with no shirt on, a holstered XD, and squeezing my nipple! Now wouldn't that be more fun?!

Raymond
 

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Discussion Starter #19
sir, no sir. :shock:

i'm familiar with the basic operation of the firearms cycle. i'm just curious about the stuff that you suggest others with more knowledge help me on. i appreciate your effort.

now, for the sake of humanity...no more semi-nude, holstered xd, nipple abuse thoughts from you. :shock:







































:shock:
 
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