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8/21/2015 3:08:33 PM EDT
I just picked up my MPX and wow it's really nice!  I'll be out testing it tomorrow morning after work :)   One thing I do notice though is the handguard has a big of front/back movement.  Is this normal?  I prefer a tight lock up but seeing how they are attached, maybe everyone's had a bit of play.

8/21/2015 3:36:07 PM EDT
[#1]
The one I picket up earlier this week has the same small but of movement back forth.
8/21/2015 3:39:56 PM EDT
[#2]
I'd guess a lot of them are like that..I'm just curious.  I'm used to everything nice and tight- it kinda bugs me.
8/21/2015 3:42:56 PM EDT
[#3]
Mine does that, it's not a big deal to me.
8/21/2015 3:43:45 PM EDT
[#4]
Mine has a very tiny amount of movement. It doesn't bother me since I still use the magwell hold. I've read that Sig has been known to replace the handguard if they have too much play. Just give them a call. See what they say.
8/21/2015 3:49:09 PM EDT
[#5]
I'll ask them tomorrow when I call to order my mags and telescoping buttstock.  

Time to get Form 1 ready!
8/21/2015 3:51:30 PM EDT
[#6]
Quote History
Quoted:
I'll ask them tomorrow when I call to order my mags and telescoping buttstock.  

Time to get Form 1 ready!
View Quote

Tomorrow is Saturday.
8/21/2015 4:03:08 PM EDT
[#7]
Haha yes it is Saturday.  Oh the joys of prison work.  Tonight is my Monday - I never know what day it is anymore lol
8/21/2015 4:31:26 PM EDT
[#8]
Quoted:
I just picked up my MPX and wow it's really nice!  I'll be out testing it tomorrow morning after work :)   One thing I do notice though is the handguard has a big of front/back movement.  Is this normal?  I prefer a tight lock up but seeing how they are attached, maybe everyone's had a bit of play.

View Quote

Mine has no movement at all. Make sure it isn't the play in your lower and upper. Mine was loose and I put some shims in the front which helped alot

http://triggershims.com/ar_15_shims.html#S23
8/22/2015 9:12:41 AM EDT
[#9]
My receivers have play but this is the handguard for sure.  It slides forward/backward.  It's not much, but enough that it bothers me and makes everything feel cheap. I wish there was a fix I could do instead of sending it back
8/22/2015 11:30:57 AM EDT
[#10]
Ours has a touch of forward-backward play when everything is locked together too.
8/22/2015 5:39:22 PM EDT
[#11]
Just got back from the range and this thing is a blast to shoot.  Very accurate as well.  I put about 200 rounds through it without any problems.  Sights are zeroed perfect..back sight right in center of adjustment.

I got to looking at my handguard and since it seems its common I fixed it in under 5 minutes.  It's rock solid now.  I tore it down and found a small piece of thin black rubber.  Cut it to match the rail on rifle right below where the tab goes through.  Drop of krazy glue to try it and put it together.  Rock solid and you cant even see it unless you'd be looking for it.  It was just a slight movement, but it bothered me.  It's gone now though.
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