M&P tatical reload issue

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luckey

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Hi M&P Gurus, need your help on a M&P tactical reload issue.

My Gen 1 M&P9 shoots pretty good, but always have issue with tactical reload(one round in the chamber). If I slam a full mag in, the pistol will hang up(maybe the mag knocks the chambered round out of place??). If I just gently sit the mag in, the chambered round will fire, but the ammo in the new mag will NOT feed. Anyone has this issue and know the fix? Thanks!
 
Your 10rnd mags are the problem. It seems like it fits exactly 10rnds so there's very little extra room for it to be inserted into the magwell without it binding on the slide. I believe some guys trim the legs on the follower for the M&P.
 
Take the followers out and you will see it has 4 legs. Use a file or Dremmel to shorten each one about 1/8 of an inch. That will allow the rounds to compress a bit when you load a full mag with slide closed.
 
Ganderite said:
Take the followers out and you will see it has 4 legs. Use a file or Dremmel to shorten each one about 1/8 of an inch. That will allow the rounds to compress a bit when you load a full mag with slide closed.
Click to expand...

^^ This ^^ should fix your issue...

tharkhold said:
Is loading a mag with a round in the chamber a 'tactical reload'??

lol, where the heck does this one come from?

All my M&P mags activate the slide release on load. My Meggar mags don't.
Click to expand...

Yes, it could be considered a "tactical reload" or "reload with retention"... from the sport of IDPA (although the two are no longer differentiated) meaning the pistol is kept "hot" while the reload is preformed.
I'm not sure how your mags "activate" the slide release on loading but ok.... :rolleyes:
 
tharkhold said:
Is loading a mag with a round in the chamber a 'tactical reload'??

lol, where the heck does this one come from?

All my M&P mags activate the slide release on load. My Meggar mags don't.
Click to expand...

Any voluntary reload (with a round in the chamber - slide forward) is a tactical reload, and any involuntary (empty gun - slide locked back) reload isn't. Normally, in a tactical reload, the used mag is retained.
 
Ironheart said:
Clip about 1/16 of inch off mag spring
Click to expand...

Would clipping the spring only reduce the spring strength? I believe the issue is the physical allowable space within the magazine which is limited by the "legs" on the bottom of the followers. Trimming the "legs" increases the allowable space. It worked for me on my M&P mags as advised by others on this forums. Hope this helps. Cheers!
 
Wolf@TS said:
^^ This ^^ should fix your issue...



Yes, it could be considered a "tactical reload" or "reload with retention"... from the sport of IDPA (although the two are no longer differentiated) meaning the pistol is kept "hot" while the reload is preformed.
I'm not sure how your mags "activate" the slide release on loading but ok.... :rolleyes:
Click to expand...

Simple. I pop a loaded mag in and it activates the slide release and the slide goes forward. :rolleyes: simple eh?
 
Except slide is already forward and round in the chamber for a tactical reload....
It is to change a partially used mag for another/full one (slide not locked back), and retain the original mag. As explained by Wolf
 
Robt6440 said:
Would clipping the spring only reduce the spring strength? I believe the issue is the physical allowable space within the magazine which is limited by the "legs" on the bottom of the followers. Trimming the "legs" increases the allowable space. It worked for me on my M&P mags as advised by others on this forums. Hope this helps. Cheers!
Click to expand...

This - do not cut springs and then post something like "My M&P is a POS, it doesn't feed the last round", you can laugh, but it's been done before.
 
tharkhold said:
Simple. I pop a loaded mag in and it activates the slide release and the slide goes forward. :rolleyes: simple eh?
Click to expand...

Thats call a "oh fack i need rounds in gun" reload. Not a tac reload. Tac reload means topping up the gas tank aka hot gun with a fresh mag inserted. Retaining used mags is well optional depends on match or your imaginary range combat warzone condition.
 
tharkhold said:
Simple. I pop a loaded mag in and it activates the slide release and the slide goes forward. :rolleyes: simple eh?
Click to expand...

Auto forwarding is not a design feature it is the sign of a design flaw. S&W went to the trouble of altering the design for the 2.0 so it won't auto forward.
 
enefgee said:
This - do not cut springs and then post something like "My M&P is a POS, it doesn't feed the last round", you can laugh, but it's been done before.
Click to expand...

Trimmed springs in my M&P9 1st gen (also sanded follower legs) and have no issues at all.
Mags are so much easier to load and seat properly on a closed slide now. Never had any feed issue with the last round.
 
Hi Guys, an update for anyone in the future.

After some testing, I have identified the cause and fix. It's the spring. The root cause is that the spring in the 10-rd mag is the same as the 17-rd which is too long. once the 10th round in, there is no room for any compression. So when there is already one round in the chamber and slam a mag in, it will either knock the round in the chamber off, or moving the slide back a bit, or mag won't seat properly if not slam hard enough(I bruised my palm when trying). Once I cut the spring by 3 full coil, everything is fine now in all 7 mags I have. pictures:


 
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