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Kahr Floorplate Wars

36K views 56 replies 14 participants last post by  thornepk  
#1 · (Edited)
It's no surprise that the magazine fit is not on Kahr's short list of fixes, and that we've all had to accept it for what it is. Until Now!

While pondering a fix for the fugly Kahr magazine fit, I decided to look into other magazine options to see about using a different floorplate. Little did I realize that I had the answer in my collection, and within minutes came up with a very easy solution. Here's the Original that we've all come to love and hate. Way to go, Kahr... Nice fit!

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So lets see if my solution makes things look any better. On the left is a Diamondback DB9 magazine, and on the right is a DB9 floorplate where the top surface has been sanded down to fit.

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Here's a closeup of the floorplate. It's a perfect fit.

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Now let's see it installed. WOW! That is absolutely flush fitting, and even gives you a scunge more area for a part of your pinkie finger. Awesome.

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Here's another shot. I'm pretty sure the fit can't get any better than this. Of course, with a little little research and experimenting, you may find another floorplate that suits your tastes a bit better. I'm satisfied with this and had a spare magazine on hand. If you could find a similar fitting floorplate, but with a straighter pinkie extension to match the angle of the grip, that might even be better.

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As you can see in this pic, I used the spring retainer and floorplate locking tab from inside the DB9. You have to, in order to have the retaining hole properly aligned. Works very well.

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Of course, there's going to be a caveat, right? Right! Diamondback magazines are on constant backorder, it seems. People on the DB forum are forever whining about the lack of availability, and DB seems pretty indifferent about making these available to its customers. Way to go, DB!

The only concern about sanding down the floorplate to fit as well as the one pictured, is getting the proper angle established. You'll see what I mean if you take on this project. You too can do it, Kahr. It took me just minutes to get this corrected, and I don't have any corporate advantage or staff. Just me and a $75 bench top belt/disk sander. The magazine is a tight, but secure fit. If Kahr undertakes this type of project development they will undoubtedly allow room for manufacturing tolerances, so I'm guessing you'd still end up with part of the magazine body exposed, but perhaps it would at least be parallel to the grip. To get yours like the one pictured is a custom hand fit, but the results are very nice. This has been test with fully loaded magazines, including a round in the chamber. Either empty or filled, the appearance remains identical.

I'll be happy to answer any questions you may have. Hey, let me know what you think while I go pour some red wine in celebration!

:gym: <--- I have no idea why I selected this smiley...
 
#2 ·
Did you try it at the range yet? Any feed problems? When shooting with an extended mag, I try to keep my fingers off the extension. I wonder if gripping the floorplate pinky rest causes problems.
 
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#6 ·
Haha. Yeah. They have the resources and could prepare to have these plates produced in a day. Oh wait, it has to go through committee, several luncheons, the bean counters, design, production schedules, and inventory management, so we'd better give these folks a month or two to get this to market.

:crazysmile:
 
#5 ·
No range time yet. I can't imagine there will be any problems since this is a Kahr magazine that I've been using. The pinkie rest is pretty small but you can squeeze your fingers together to use it as a rest. For my normal size hands I can get half a pinkie on it, or wrap the pinkie under the baseplate as I normally would. As for magazine play, there's no more vertical play, but you can wiggle it side to side as before. The top round in the magazine rests on the stripper bar, as before, and there's enough mag spring play to allow 6 rounds. I'll be surprised if there are feed problems, but will be trying it soon.
 
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#22 · (Edited)
Ha! I've had several parts that have flown to no telling where. :eek:nthego:

Ok, people, I'm heading to the range tomorrow, even if it is a weekend. I'm going to abuse this magazine just to see if I can get it to fail to lock up, or drop out using tricks the RSO's probably wouldn't want to see. I'm thinking it will stay in place, but you never know, right. Stay tuned.


 
#9 ·
Ok gents! This is all well and good. And I must say a job well done!

Now here is my two bits ($00.25) worth, now remember that you are really paying nothing for my opinion, other than time spent reading it. :crazysmile:

For a pistol that is meant for self defense/fighting, a nice tight/close fit for the mag base plate may not be such a good idea. I'm talking: base plate snuggled up to bottom of grip.

There needs to be a little extra clearance too provide for the presence of Mr. Murphy. At the most inappropriate times he will provide help with something that will use up your close fitting tolerance, and the mag WILL NOT SEAT properly.

Do you really want to take a chance when your life is on the line??? Of course if you are close enough your pistol will make an OK striking tool.

And for those that believe that you will only need the mag that is in the gun I will say, feel free to research defense shootings. If you only have 5-8 rounds in your pistol there is a good chance that a reload is in order.

Some thing to think about.

"Do as you please 'cause you will anyway" :crazysmile:
 
#10 ·
You owe me a quarter! I charge .50 to read replies, and your "bits" are .25, so there ya go! Wow, I might need to go public with this money making idea. LOL

Hey, I completely agree. I left no "tolerance" leeway, ie, there's no magazine body exposed, and no extra up/down play. But damn, this is so cool looking anyway, right?

Here's a couple more pics to help you change your mind. When I get this to the range (soon) I will be a little more confident that I didn't screw anything up. Er, unless I did. And if I did I will blame it all on Hillary's race for the Presidency. Yeah, that's the ticket...


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Ohhh, ahhh....
 
#14 ·
Your comment:
"And if I did I will blame it all on Hillary's race for the Presidency. Yeah, that's the ticket... "

I like her handling of her "race" like Obama....from behind.
Good pictures btw.
 
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#16 ·
Your comment:
"And if I did I will blame it all on Hillary's race for the Presidency. Yeah, that's the ticket... "

I like her handling of her "race" like Obama....form behind.
Good pictures btw.
Indeed, Excellent photos

As to good 'ol Hilly, :thumbsd::growl:
 
#17 ·
To follow up on Lefty's concern of not being able to get the mag out of grip. At the range this happened and I honestly could not remove the Mag. All the while thinking to myself what if I really needed to reload for the bad guy. Although it happened at the range it was an eye opener. I thought for while if it happened again I would seriously consider cutting in matching rh/lh finger cutouts at the bottom of the grip. As it turned out that was the single time I had that problem. Having said that there was a time when I had a hard time pushing hard enough on the mag release, a really hard time. The reason for this was I hadn't cleaned the gun the last two times I went to the range. As soon as I cleaned it though all problems went away. I had read that it wasn't really necessary to clean right away and I didn't. Lesson learned.
 
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#23 · (Edited)
Back from testing the SmokemPlate magazine today. 50 rounds of PMC Bronze FMJ (9A) and 50 rounds of PMC Bronze HP (9B). This danged Kahr PM9193 just refuses to have any failures! And no problems with the custom magazine floor plate (base plate?). I remain impressed. No, not with this magazine test, but with the accuracy of this tiny gun. As for the magazine, it locked up solidly every time, and no feed issues. I threw some Federal Tactical HST downrange as well, but only 7 rounds just to cycle my carry ammo. Love that stuff.

In summary, this custom magazine is pretty nice, but not a deal breaker from owning a PM9 or any variant. My CM9 was every bit as reliable. I may contact some aftermarket folks, like Pearce, to see if they might be interested in producing a base plate for the Kahr. They could even allow a bit more 'tolerance' just for manufacturing variances and it will still look 100% better than what the Kahr geniuses have offered.

I took my other "failure free" gun (XDS-45) to the range today only to be subjected to 6 failures in 75 rounds. Crap! Each problem the exact same with failure to feed. PMC Bronze 230gr FMJ. I was upset at myself for not bringing some HST to the range, but it was a last minute decision to take the 45.

All in all a good day and much better than my morning of pushing a mower in this incredible east coast heat wave.

 
#27 ·
Back from testing the SmokemPlate magazine today. 50 rounds of PMC Bronze FMJ (9A) and 50 rounds of PMC Bronze HP (9B). This danged Kahr PM9193 just refuses to have any failures! And no problems with the custom magazine floor plate (base plate?). I remain impressed. No, not with this magazine test, but with the accuracy of this tiny gun. As for the magazine, it locked up solidly every time, and no feed issues. I threw some Federal Tactical HST downrange as well, but only 7 rounds just to cycle my carry ammo. Love that stuff.

In summary, this custom magazine is pretty nice, but not a deal breaker from owning a PM9 or any variant. My CM9 was every bit as reliable. I may contact some aftermarket folks, like Pearce, to see if they might be interested in producing a base plate for the Kahr. They could even allow a bit more 'tolerance' just for manufacturing variances and it will still look 100% better than what the Kahr geniuses have offered.

I took my other "failure free" gun (XDS-45) to the range today only to be subjected to 6 failures in 75 rounds. Crap! Each problem the exact same with failure to feed. PMC Bronze 230gr FMJ. I was upset at myself for not bringing some HST to the range, but it was a last minute decision to take the 45.

All in all a good day and much better than my morning of pushing a mower in this incredible east coast heat wave.

View attachment 2989
Sounds great...........you may have found the holy grail of kahr base plates.......?
 
#26 ·
I celebrated today's day with a fancy bottle of cheap red wine. But crap, this type of thing happens all too often... Help me, people, help!

View attachment 2990
Well...........you know my kind of help ( when it comes to this kind of thing ).........I reccommend you stay the course........and carry on........time for a refill...........more wine please...!!!!!!!!
 
#30 ·
With the scarcity of DB9 magazines, you're probably right. There's bound to be other baseplates out there as well. I shot the 9193 again today and once again, zero issues. Magazine is fine. Gun remains at 100% and eerily accurate. It's not fair to other manufacturers! :notfair:

:wink:
 
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#33 ·
I can't recall that I've ever dropped a mag including quals on a PPC course...just don't want to take the potential risk of a malfunction resulting in unseen damage from a high mag drop on a hard surface...cost a rookie his life when a suspect shot him with the rookie partner's 9mm who had been shot previously by the suspect during a traffic stop. The suspect tried to finish off the partner / FTO after killing the rookie but the next round didn't feed from the mag which had a very small crack causing a feed issue - suspect died later in other action.

Lefty brings up another good point on retaining a mag with ammo remaining depending on your situation under fire....& no situation is ever the same in how you may have to deal with it...
 
#36 ·
I sure didn't like letting them drop on the concrete BUT,,,,this was at the direction of the instructor. His justification was you don't have time to worry over a spent mag. Get the other one in quickly.
For the record I concur with all your input.

As in everything, the moment all is happening determines what to do.
 
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#40 ·
I'm not dropping a magazine on anything but heavily padded shag carpet and I don't care how much I paid for the training class! LOL. Correct me if this is wrong, but someone on the internet said that during a gunfight you simply call "TIME" and everyone must stop for mag changes. I may have misunderstood.... :thumbsu:
 
#42 ·
During training & / or qualification on a timed PPC course, I would either drop a mag on top of my shoe or quickly stick the empty mag in my waist behind my belt as I grabbed a charged mag nearby. If a civilian is forced into a deadly force situation & has to stop for a mag change, then a serious problem exists & probably won't survive to make the mag change....
 
#43 ·
My only 'formal' training was the military. It doesn't work well in civilian life, though, cause I haven't found a way to conceal a 5" gun turret, let alone the Mk37 gun fire control system. Going to need much larger pockets!!
 
#45 ·
Some malfunctions (auto loader) require that the mag be ripped out to clear the malfunction. Soooo, If your default reload is: Reload with retention, you will use the same process for clearing a malfunction and/or a normal reload. Using the same process for both will mean that you don't have to think about what you're doing, you will just do it.

Of course you must PRACTICE, PRACTICE, PRACTICE, until it is automatic, then practice some more.

:wink:
 
#47 ·
My Kahr Pistols are nothing more than Cool Tools that I simply love. As long as they keep me fed, housed, clothed, safe, warm and protected I really don't give a damn if they aren't beautiful firearms and the shoes don't fit the suit. I will always take Mary Ann over Ginger any day. My Kahr Pistols have everything I need to fill my needs just they way they are. Now if Mary Ann goes from a C to a D, I will not complain. :>)
 
#49 ·
I had a person on another forum concerned about being able to grab the base plate to get a stuck mag out. So, I did a model that can be printed on a 3D printer for him. It is pictured below and is the width of the grip of a PM9:



I have also made a few that are the size of a small grip extension that allow an extra round in what was a 6 round magazine. It is much less length than the Kahr 7 round magazine.
 
#50 ·
I had a person on another forum concerned about being able to grab the base plate to get a stuck mag out. So, I did a model that can be printed on a 3D printer for him. It is pictured below and is the width of the grip of a PM9:

View attachment 3311

I have also made a few that are the size of a small grip extension that allow an extra round in what was a 6 round magazine. It is much less length than the Kahr 7 round magazine.
Looks great...............good idea !!!