EAA Witness Hunter range report

[Intercooler]

The women there for sure don't know the product line. It's sad, but also the truth.

[DM1906]

Thanks guys, she said the 6 inch would work in the smaller guns not the Hunter, and thats why they do not make 40 caliber magazines for it.

I will just leave it as is for now.

Magazines are sized to the frame, not the cartridge. There are no .40SW mags, because they would only be relabeled 10mm mags, if there were.

[Wolfie]

I asked her about mags as they do make them. She said the bottoms are different and I looked at pictures that confirm that.

Its a real nice gun, I just like to tinker with conversions if I can. Its going to save me money as I will not buy the rest of the long slide conversion tops.

[Intercooler]

K40 mags are different? I still don't think she knows what she's talking about. Can you post the picture?

Here is a K40:

[Wolfie]

K10 the base is different and so is that open notch up top.



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[sqlbullet]

$50 bones + shipping is a lot to gamble.  I personally would.  I think they don't know of what they speak.  And I would just run 40's out of my 10mm mags.

[Wolfie]

I think the barrel will work. I am not sure about the magazines, the 40 round sits back more than it does in a Glock 10 magazine.

[sstewart]

K40 mags fit every other witness 10mm model. The hunter can't be different. I have 10mm limited elite with 9mm & .40 slides. I used K9 K40 & K10 mags all in same frame.


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[DM1906]

$50 bones + shipping is a lot to gamble.  I personally would.  I think they don't know of what they speak.  And I would just run 40's out of my 10mm mags.

I think folks are missing the picture, here. If you have a 10mm pistol that is converted to .40SW, it's still a 10mm frame. It WILL use 10mm mags. A .40SW mag should not fit. All of the conversions, Glock, 1911 variations, Sig, SW, etc, do this the same. A 10mm mag is just a long .40SW mag. It has to be this way, unless someone is manufacturing a 10mm mag with a "spacer" at the rear (there are none that I'm aware of). I've never seen one. Add to that, short loaded 10mm (125gr. SWC, for example) is about the same COAL as full length .40SW. The difference is only 1/8". The same occurs in nearly every semi-auto base caliber pistol. If, for example, you have a .38 Super, you would use the same mag to shoot 9mm. Every magazine is designed (or should be) to accommodate the longest and shortest variety of ammo for that caliber. If someone is selling a .40SW magazine for a 10mm pistol to accommodate a conversion, someone is selling a bill of goods. Some manufacturers will have differently labeled mags that are exactly the same, except the labeling. They may also have different followers, but if a follower works for 10mm in the same mag, it will also work for .40SW.

The bottom line is, converting a 10mm pistol to safely and reliably fire .40SW is a simple process. All that is needed is a fitted barrel. On very rare occasions a spring adjustment is needed, although, if a 10mm pistol will reliably fire factory 10mm, it will almost always reliably fire factory .40SW. Some modifications made to fire maximum pressure 10mm (such as FBFPS or heavy main spring) may be an issue for factory level .40SW rounds.

[sqlbullet]

There are some that use a spacer.  The S&W CS-40 comes to mind as one that has a spacer, but it is easily removed.

Regardless, your point is exactly what I was saying.  40's are short 10's.  I would expct them to run just fine, and generally the mags are actually the same.

[DM1906]

There are some that use a spacer.  The S&W CS-40 comes to mind as one that has a spacer, but it is easily removed.......

The factory S&W CS40 mags are crimped at the rear length of the mag, and are interchangeable with the CS45. I had a CS45 and a friend had a CS40 for the side-by-side comparison at the time. Perhaps an aftermarket or late production mag has a spacer? I haven't visited the CS pistols in 20-something years, but now that I think about it, it just might be an excellent platform for a steel sub-compact 10mm conversion. The .40 and .45 are long action, with a long ejection port, and share the large slide dimensions (the CS9 is quite a bit smaller). This is intriguing, thanks. All I need is one more iron in the fire. Finding one may not be so easy, though.

[sstewart]

Nobody's questioning anybody's knowledge here. But getting back to the witness ...
I would suggest anybody wanting to explore the my minutia of this to go over to Brian Enos Tanfoglio  Group
Cliff notes:
There are differences between K 40 and K 10 magazines.
There have been recent changes to the K 10 magazines to make them stiffer.
I think there was a spacer in the early K 40 magazines early on, I'm not sure about the current ones.

I personally would run the K40  magazines but the going rate is more like $30 not $50


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[sstewart]

Also remember that this group is highly competition oriented, their goals may be different than yours. They care great deal about magazines because they are generally trying to cram as many rounds in there as they can


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[sqlbullet]

I haven't visited the CS pistols in 20-something years, but now that I think about it, it just might be an excellent platform for a steel sub-compact 10mm conversion.

One was listed here a while back:

http://10mm-firearms.com/for-sale/sw-cs40-chief's-special-10mm-conversion/

Note the comment about the spacers being removed.  That was how I was aware of it.

[Wolfie]

Got the 20 pound Wolff spring today, man what a difference.