Storm Lake conversion barrels - MP-Pistol Forum

Storm Lake conversion barrels

This is a discussion on Storm Lake conversion barrels within the MP Compact Pistols forums, part of the Smith & Wesson MP Forum category; Does anyone have any experience they can share about using a Storm Lake conversion barrel to convert an M&P 40c to a 9mm? I've ordered ...


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Old July 1st, 2011, 09:44 AM   #1
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Does anyone have any experience they can share about using a Storm Lake conversion barrel to convert an M&P 40c to a 9mm?



I've ordered my barrel and expect it's delivery in the next week or so. If anybody has done this I would appreciate hearing about their experiences.
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Old July 1st, 2011, 09:48 AM   #2
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If you do a search for "Storm lake barrel" you will find a ton of threads where this topic has already been discussed. It seems as though most people are very happy with them.
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Old September 26th, 2011, 02:26 PM   #3
 
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Quote:
Originally Posted by Kbbell007 View Post
Does anyone have any experience they can share about using a Storm Lake conversion barrel to convert an M&P 40c to a 9mm?



I've ordered my barrel and expect it's delivery in the next week or so. If anybody has done this I would appreciate hearing about their experiences.




It's great. 2 min. to drop it in, works perfect. Love it!

Oh, pick up a 9mm mag though.
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Old September 26th, 2011, 07:31 PM   #4
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I used my 9mm conversion barrel for a class where I shot maybe 300 rounds. Had several fail to extracts. The conversion barrel converts the bore and chamber, but not the extractor. The slide is still sized for .40 and seemed to occasionally slip off the smaller 9mm rim.



Actually, for a class, it was great! I got to practice failure drills that happened randomly! For self defense, not so good.



Also, I got the ported barrel. I don't notice a reduction in recoil, but it really fouls up the front sight. I'd get it without the ports.
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Old October 11th, 2011, 08:05 PM   #5
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Quote:
Originally Posted by Kbbell007 View Post
Does anyone have any experience they can share about using a Storm Lake conversion barrel to convert an M&P 40c to a 9mm?



I've ordered my barrel and expect it's delivery in the next week or so. If anybody has done this I would appreciate hearing about their experiences.




....a little late with my reply. I have used the Storm Lake conversion barrels in both my M&P compact and full size. I have used both pistols in classes and to date, have experienced no malfunctions. Do not forget that you will need 9mm magazines.

....Enjoy



AJJ
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Old October 11th, 2011, 11:55 PM   #6
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Out of 5 SLB barrels we've only kept 2, a 9mm conversion and the ported 357 Sig barrels. We had a failure to extract with the 9mm conversion during dry-fire practice which led to adjusting the extractor stop, no failures under live-fire in many thousands of rounds. 357 barrel doesn't have that many rounds through.
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Old October 12th, 2011, 06:24 AM   #7
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I've got a SL conversion coming this week along with 2 mags. I'll post how it goes when they arrive and I've had a chance to put some downrange.
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Old October 12th, 2011, 06:41 AM   #8
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I have a ported Storm Lake drop in but it's not a conversion. Runs great!
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Old October 12th, 2011, 09:40 AM   #9
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Since my original post I have got the barrel and put several hundred rounds through it. In the first 300 rounds (all WWB) I had a number of FTEs. Since then I've been running Fioochi (sp) through it and have had only 1 FTE. Surprisingly enough, the WWBs were giving me FTEs with my new 9c also, but don't get them with the Fioochi's. Needless to say, Wally World and WWB aren't getting any of my ammo business anymore.
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Old October 12th, 2011, 12:02 PM   #10
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Thanks for the heads up on the WWB ammo. I've got some Federal Eagle heading my way which hopefully won't cause a problem.
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Old October 12th, 2011, 01:39 PM   #11
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Thanks for the heads up on the WWB ammo. I've got some Federal Eagle heading my way which hopefully won't cause a problem.


I've been dogging WWB's since I've had this 9mm issue, but to be fair, I've run a couple of k WWB 40 through my 40c without the first hiccup. It just seems to be the 9mm stuff and my M&Ps.
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Old October 12th, 2011, 04:48 PM   #12
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I also run the 165gr WWB in .40 without a single problem. I've shot at least 300 WWB rounds without a FTE or FTF in .40. But it's simple enough to avoid in 9mm based on your experience.
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Old October 12th, 2011, 09:29 PM   #13
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If you guys are having ammo sensitivity issues with WWB in a factory M&P pistol, it's rarely the ammo and almost invariably the pistol. You need to call S&W (1-800-331-0852) and get it taken care of. Avoiding ammo that "causes" the problem is a poor way of dealing with it.
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Old October 13th, 2011, 08:19 PM   #14
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Originally Posted by KRWeiss View Post
If you guys are having ammo sensitivity issues with WWB in a factory M&P pistol, it's rarely the ammo and almost invariably the pistol. You need to call S&W (1-800-331-0852) and get it taken care of. Avoiding ammo that "causes" the problem is a poor way of dealing with it.


I agree with the last post. I have used WWB, UMC, American Eagle, Federal and commercial reloads and have not experienced any of the previous problems.

I trust that you ordered CONVERSION Barrels and not REPLACEMENT Barrels???!!!

AJJ
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Old October 14th, 2011, 02:46 AM   #15
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I agree with the last post. I have used WWB, UMC, American Eagle, Federal and commercial reloads and have not experienced any of the previous problems.

I trust that you ordered CONVERSION Barrels and not REPLACEMENT Barrels???!!!

AJJ


It was a conversion barrel. Guess I'd better give S&W a call about the extractor on my 9c then, eh?
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