M&P conversion 40-9

[clem131]

Good news 90 bucks can convert your .40 to 9mm!
Last month i have decided that i was going to make the leap of faith and try to convert my M&P 40 to 9mm.
40 ammo is harder and harder to come by and getting more expensive by the day so in order to keep my shooting
routine going a change was needed. There is little reported on this subject and to make matters worse the results are 50/50.
I'm happy to report that after only dropping in a stock 9mm barrel and using 9mm mags that the gun runs flawlessly.
I have about 500 rounds (mix between hp and reloads and factory ball) down the new pipe and i haven't had a single hiccup.
i will monitor it and report back to this thread with my findings as i test more.

When you can find them in stock:
midway usa has the barrels for $60
and mags are about $30 everywhere

 

[d_hawkins]

Awesome! Im glad it worked out. Are you going to keep the .40 stuff and have 2(ish) weapons or are you planning on selling the .40 stuff?

Is the spring the same between the 2 calibers?

 

[clem131]

yes sir i'm going to keep the .40 cal set up. i like the fact i just need to switch barrels to shoot major power factor.
but i do know that the 9mm will not convert as easily to .40 cal. the 9mm frame feed ramp cut out isn't cut as wide so its not
a "drop in" conversion. but a gun smith can easily shade off a little to accommodate the bigger feed ramp.

 

[kpm]

I did the same thing and love it. I purchased a lone wolf conversion bbl from geauxshootin


Sent from my iPhone using Tapatalk

 

[clem131]

i was also surprised that the bullet impact point was the same as the .40. i would have though that the 9mm would impact higher...
i'm just happy that the sights are still on