9x19 in a .40 S&W mag
- Thread starter Samopal
- Start date
As i see it, if the marking on the mag say ''9mm/.40S&W'' it's a no-go but if it only say ''.40S&W'', and the mag is made and designed for a .40 pistol, and because of some mechanical anomaly, it appened to fit a 9mm pistol, you are good to go. Will it be reliable? I can't say. Will a police officer can have an other point of view? Certainly. Is it LEGAL? As i see it, yes.
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My CZ, and FS 92/6 mags work fine in each. At the most, you could bend the feed lips in just a hair if the bullets won't stay in.
Perfectly legal, as has been mentioned above. No need to whisper.
.40 is 10mm, 9mm is of course a little smaller. The main difference in the mags is the deletion of the long stamped rib from the 9mm mag. In .40 there is a much shorter rib, allowing for more 9mm's to fit.
Take a look at the wording regarding mag capacity.
It is almost too specific as far as what constitutes a legal mag.
It must say what caliber it is designed for. That's it. Doesn't matter what you put in it, or what you put it in!
Perfectly legal, as has been mentioned above. No need to whisper.
.40 is 10mm, 9mm is of course a little smaller. The main difference in the mags is the deletion of the long stamped rib from the 9mm mag. In .40 there is a much shorter rib, allowing for more 9mm's to fit.
Take a look at the wording regarding mag capacity.
It is almost too specific as far as what constitutes a legal mag.
It must say what caliber it is designed for. That's it. Doesn't matter what you put in it, or what you put it in!
Chuckbuster
CGN Ultra frequent flyer
Hmmm...all of this is most interesting...but who wants to be the test case? Even if you are found to be innocent of manufacturing a prohibited device and are found to be following the letter of the law, I can think of better uses for the thousands of $$$ spent on legal costs...like the mortgage and the odd new smoke pole or hand cannon.
notsorichguy
CGN Ultra frequent flyer
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lol!!
I went to the local G-store, and tried 9mm blanks in a brandnew factory .40 mag (M&P)..... They fit but they didn't stayin there when slapped against the palm..... So I guess some re-working would be in order....... But that is illegal....right???
I went to the local G-store, and tried 9mm blanks in a brandnew factory .40 mag (M&P)..... They fit but they didn't stayin there when slapped against the palm..... So I guess some re-working would be in order....... But that is illegal....right???
I'm quite certain that putting 9mm in unmodified .40 mags is fine.
However, if you re-work a mag, it is no longer designed for a .40, it is a new thing that you have designed to take 9mm.
This is of course my opinion based on a plain reading of the relevant language: "(b) that is capable of containing more than 10 cartridges of the type for which the magazine was originally designed ...." Emphasis added.
This can work to our advantage: in theory, if you re-manufacture an AR15 magazine to fit in a bolt action, it would now have unlimited capacity. That's for another day; for now the reports of the function of unmodified 40mm mags with 9mm ammo are my interest.
Likely not. Using G23 mags in a G19 is an exercise in frustration (lots of misfeeds), and the G23 mag lips are, I believe, identical to the G22 mags.
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One step back, You need to redesign an AR15 pistol to take 10 fat bullets that fill the mag. The Mags manufactured and stamped for the Ar15 pistol for the fatty .50 would be legal. Now it the .50 fatty was a center feed the mag lips may not need any modification to hold .223 rounds double stacked. Might have soem problems with the last round and the follower if you try to use it for .223 but it would not be designed for .223
One step back, You need to redesign an AR15 pistol to take 10 fat bullets that fill the mag. The Mags manufactured and stamped for the Ar15 pistol for the fatty .50 would be legal. Now it the .50 fatty was a center feed the mag lips may not need any modification to hold .223 rounds double stacked. Might have soem problems with the last round and the follower if you try to use it for .223 but it would not be designed for .223
Do 6.8 SPC AR mags fit into a .223 AR magwell?
Musky Hunter
CGN Ultra frequent flyer
nice.....
One step back, You need to redesign an AR15 pistol to take 10 fat bullets that fill the mag. The Mags manufactured and stamped for the Ar15 pistol for the fatty .50 would be legal. Now it the .50 fatty was a center feed the mag lips may not need any modification to hold .223 rounds double stacked. Might have soem problems with the last round and the follower if you try to use it for .223 but it would not be designed for .223
I like it.
.458SOCOM would do it - apparently 10 of them fit in a standard 5.56 mag, so a ten-round .458SOCOM Pistol mag would be interesting. It would need to be marked like the LAR-15 mags.
... How many 10 round LAR-15 mags have been sold in Canada?
After a bit of research, it seems that .458 has a bit of trouble cycling a SBR with Direct Impingement (it works, it's just very sensitive due to the low pressure).
If the market is large enough, perhaps we can convince Kel-Tec to make a PLR-458.
After a bit of research, it seems that .458 has a bit of trouble cycling a SBR with Direct Impingement (it works, it's just very sensitive due to the low pressure).
If the market is large enough, perhaps we can convince Kel-Tec to make a PLR-458.
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