whats wrong with 10mm?

The ammo isn't readily available like 9mm. You need to actively find it. The ammo is more expensive than most 9/.40.

If you want some good info on the 10mm drop in on "GlockTalk" there are a lot of 10mm shooters over there, i own a Glock37 (45GAP) and really love the round, recoils like a 40 and hits like a 45. (before someone jumps down my throat, thats the company line).

When 9mm was hard to find, 10mm was non existent. Even FMJ practice ammo had dried up.

That is a weak reason though, .380 was almost as tough to find and people were still buying LCP and P3-at pistols like they were going out of style.

It was rough around here about a year ago! All we could find was .45acp and .357 reliably!

basically 10mm started out in the early 80's and was used in custom 10mm auto, Don Johnson carried one in miami vice, called the bren ten http://www.bren-ten.com/website/ this gun staterd the whole 10mm thing.

I think its a cross between a cz75 and a s&w 59 in 10mm.

Then in the late 80's colt came out with 10mm delta elite and soon the fbi and a lot gun makers came out with 10mm versions , SW with the 1006.

Shortly after its adoption by the fbi and other police found it was to hard for smaller cops and women to control, so SW and the fbi got together and came out with the 40sw, that is simply a shorter downloaded 10mm.

This round in testing did everything the 10mm or the 9mm couldn't and was widely adopted.

Some after the 10mm excitement , went away and is only still chambered by a few holdouts like glock and smith revolvers etc.

Ammo and Brass supplies soon started to dry up and costs increased.

Basically 10mm is a great round and very accurate, its close to 357 mag in power and some loads exceed even 357 mag.

The problem is that 10mm is very hard on semi auto actions and is actually overkill for a defense load and at max loads its hard to control.

For defense loads it really needs to be downloaded to about 40sw loads, so the question is why even bother with the 10mm, basically 40sw replaced it.

A lot ppl still buy 10mm pistols but they soon find out the problems of owning one and will switch to a more controlable round. Also shooting 10mm brass and not recovering it cost a lot, not something you want to throw away.

This is why 10mm ammo is so expensive and hard to come by.

I actually love the 10mm as much as i do my 1911's in .45acp
But the cost of ammo and its rarity and a very slim choice in gun designs make it very hard to choose a 10mm over a .45 anymore.

But i do miss my G20, But besides home defense and range duty which i couldn't afford the full power loads i found it better to get it another home.

Hopefully one day ill see a 10mm design i just cant pass up and pray the ammo situation is better as im not gonna reload anytime soon.

I'm a big 10mm fan, but I know this cartridge isn't for everybody. Not only is ammo somewhat hard to find and expensive, but there is also the recoil which some people apparently find objectionable. Also it's generally best suited for heavier frame guns, which might make it less than ideal for potential use as a CCW. Of course, with the notable exception of that pesky Glock.

Nice write up on 10mm XR1200, there is a little devil in me that says I want a 10mm pistol, but not if I have to find and pay for ammo. 10mm is a novelty these days, I would not want it as my only pistol, but to round out a collection. As for .45GAP, why, only 3 pistols made to shoot it, G37, 38, 39.

i loves my gun said:

ive been lookin around and it just seems to me more people would rather have 9mm, 40s&w, 45 acp, reason im worried about it, is cause i was looking at olympic arms k10, they make 45gap conversion for the acp i think but ,thats the only reason i see not to get the 10mm, what do yall think, oh yea im putting this here cause its a semiauto-pistol round..seems appropriate

http://www.olyarms.com/index.php?page=shop.browse&category_id=29&option=com_virtuemart&Itemid=37

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I haven't read the above posts so sorry if already mentioned....

The Glock 10mm will convert into a .40 s&w (same mags too), and a .357 Sig. Not too bad of a combo ;-) See Lonewolf for more.

The only reason not to get a 10mm (and a .45GAP), IMO, is the lack of ammo in retail stores. Sure you can purchase millions of rounds online -- but my preference is to have the option of buying in most stores, buying online, and having a qty of reloading components to go with my caliber of choice. You will find that is why most prefer the 9mm, .40 S&W, .45ACP. But you must ask yourself what kind of handgun owner are you....and will a 10mm fit into your "plan." I would definately have a 9mm, .40 s&w, .45acp before a 10mm and/or .45GAP -- again, based purely only ammo being readily available.

In a hypethetical situation I would think the 10mm is more popular than the 9, .40sw, .45acp

Jed Carter said:

Nice write up on 10mm XR1200, there is a little devil in me that says I want a 10mm pistol, but not if I have to find and pay for ammo. 10mm is a novelty these days, I would not want it as my only pistol, but to round out a collection. As for .45GAP, why, only 3 pistols made to shoot it, G37, 38, 39.

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because the .45GAP a Glock based concept.... guess Sig's .357 caught on a little better with other manufactureres.

10mm ammo is easily available here www.georgia-arms.com it is priced about the same as 45ACP. When all other ammo was hard to find they had plenty in 10mm.

I like the 10mm and feel it definately has a niche, but make no mistake it is a niche round. I don't see the point in a rifle. I own several handguns in 10mm, 9mm and 45. No 40's only because I do have 10mm's and don't see the need for both.

For general use the 9mm and 45 do almost anything I need a handgun round to do. The 10mm has a specific role for me. It is my hiking/camping pistol. I like having 357 mag power with 16 rounds available when in black bear country. Anywhere else and I carry either a 9 or 45 depending on my mood.

Same here^

But, does anyone besides me feel like the 10mm is making a comeback......a resurgence of sorts? Way too good of a cartridge for its place with the mainstream shooting community.

jmr40,

Thanx for the link, those prices are fantastic for fmj practice ammo.

Wrong info on Glock being the only maker of platforms for the 10mm. Kimber makes a really nice 1911 stainless in 10mm.

jmr40 said:

10mm ammo is easily available here www.georgia-arms.com it is priced about the same as 45ACP. When all other ammo was hard to find they had plenty in 10mm.

I like the 10mm and feel it definately has a niche, but make no mistake it is a niche round. I don't see the point in a rifle. I own several handguns in 10mm, 9mm and 45. No 40's only because I do have 10mm's and don't see the need for both.

For general use the 9mm and 45 do almost anything I need a handgun round to do. The 10mm has a specific role for me. It is my hiking/camping pistol. I like having 357 mag power with 16 rounds available when in black bear country. Anywhere else and I carry either a 9 or 45 depending on my mood.

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That's a perfect post --

Mr. jmr mentions you can purchase all the rounds you can afford online, that he has other calibers (where ammo is readily available), and a 10mm fits into his "gun plan" as a hiking/camping pistol.

If you are a SHTF kind of handgun owner as I am ...then I strongly urge you to look at a gun that can quickly be converted to shoot multiple calibers (i.e., .40sw to 9mm), (10mm to .40sw to .357 sig), (.45ACP to .50GI!!!), etc. etc....

FN, SW MP, Glock, HK, XDM... are a few gun makers that have .40/9mm conversions.

actually the FBI 10MM handgun was the S&W model 1076 and I have a FBI turn in which still has the mag release whereas the gun will not fire with the mag out...

10MM is a great round, but it has been relegated to the mists of the niche cartridges. If you want a 10MM today, you have a few choices: Glock, EAA Witness, and Custom 1911 manufacturers, along with S&W's 310 Nightguard (the 610 was recently discontinued). Other than that, you might be able to find a Bren-10 or something along those lines. The Glock 20 IMHO is the best gun for this round.

It's unfortunate that the great gun manufacturers stopped making guns for the round.

The ammo is just not as easy to get, and the gun selection in 10mm is really limited. It's just about either a Glock or EAA Witness. No thanks, the practical three will do just fine for me.

Ammo is more money, but it's easy to find. I can think of 3-4 manufacturers have plenty of it.

I have a G29SF. Possible slide damage is easily fixed with a more powerful recoil spring. I have Wolf non captured 21# spring and SS guide rod. Very smooth no issues. Even keeps your brass in the same county. My stock Glock spring worked fine as well. Use a 40 conversion barrel so cheap 40 can be used at the range and if SHTF I have plenty of 40 ammo on hand. I got a 4.5 inch barrel for woods use.

The 10mm is regaining some of it's popularity IMO.

The 10mm is a fun round I think, but around here it is pretty much impossible to find. That's really the only thing holding me back from becoming a fanboy.

some 10mm ammo vendors

www.doubletapammunition.com
www.buffalobore.com
www.georgia-arms.com
www.swampfoxgunworks.com

I'm of the crowd that would rather have the big 3, more specifically the 9mm and the 45ACP are all I can see myself buying in handguns as a defensive pistol. Maybe .380 and .22 toys down the line when the money situation is appropriate. My reasoning is not that it's hard to find, or even the expense, but I don't see why I would ever NEED anything other than the 9mm or 45ACP. Both rounds have been around for over 100 years and there is a reason that they are still here. I don't like to diversify my ammo selection, that would be my reason, to answer your OP.

It's money it seems to me. 10mm is my favorite auto round and pretty much all I shoot in 1911's.

At the reloading bench it's very versatile and pretty efficient with components. Other than brass initial cost it's pretty much the same as .40S&W loaded to USPSA major type loads.

The Georgia Arms ammo is very nice but unfortunately they have been out of stock for a VERY long time now.

Personally I think reloading is a "must have" if you go the 10mm route.

10mm brass is not as common as the other you mentioned for reloading. The 10mm is a pretty stout round which I would not use for plinking.