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Picture of Smokey99
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quote:
Originally posted by Chowser:
My gen2 (date on box is 11/18/16) does not like Freedom's 147 either. It will eat their American Steel 115 and Winchester Ranger 124+P just fine.
I have some WWB 147 somewhere and a few cases of Winchester USA 124gr FMJ enroute.

Going to look for some gen1 mags on sale.

Debating a barrel chop to 5" and rethread instead of buying a metric piston.

I have no issues with FM's 147 reman in my AR9 (4" sbr) suppressed or unsuppressed. It also runs fine in my Glock 19, Beretta 92F, Ruger 1911 and HK VP9 (suppressed and unsuppressed)


Will Gen 1 mags run with 147 loaded to 1.169"? They FTF 115 loaded to 1.115" at a rate of about 1 every 20 rounds. I bought some Gen 1's on sale to piggyback the Gen 2 to 60 rounds.


"Son, always take your paper to the woods" - my dad
NRA Endowment Life Member
IDPA & Bullseye Shooter
 
Posts: 298 | Location: Upstate SC | Registered: October 11, 2010Reply With QuoteReport This Post
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quote:
Originally posted by Smokey99:
quote:
Originally posted by mpxgeek:
quote:
Originally posted by ckbush:
You could try a Hiperfire trigger instead.

Already has a bridge as part of the design, and a better trigger pull to boot.

CK Bush


That's a good idea. I've been looking into them since you posted this. I would be interested in hearing from someone who has had over 4500 rounds through it to see if they had any issues as that seams to be where the decent aftermarket triggers start failing.

Update: I purchased the hiperfire 24c after I received an email from the company stating it will work with no issues.


I've got about 2000 with Hyperfire 24C. It's off the chain!!!


Thanks for the confirmation! I also called HiperFire on Friday and spoke with a knowledgeable guy (forgot his name) who said sig has been working with them and fully tested their 24c trigger and sig may start offering it as an upgrade in their mpx's. If this is true, it will be the first aftermarket trigger actually supported by sig!!
 
Posts: 15 | Registered: December 22, 2015Reply With QuoteReport This Post
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Picture of Smokey99
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I've bought 3 sets so far (have them on AR's also). Run about $195.00. Trigger pull 2.5-3 with the springs for lightest setting. 24C comes with three sets of springs so you can select what weight you want.


"Son, always take your paper to the woods" - my dad
NRA Endowment Life Member
IDPA & Bullseye Shooter
 
Posts: 298 | Location: Upstate SC | Registered: October 11, 2010Reply With QuoteReport This Post
Be Well and Keep Your Rifle Clean
Picture of mrmn50
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quote:
Originally posted by immawake:
I took the MPX carbine to the indoor range today. I brought the 1 supplied Gen 2 mag and 3-Gen 1 mags, all loaded with 30 rounds of Freedom Munitions 124gr new ammo. I started with the Gen 2 mag and had trouble getting a round to chamber. The round wasn't being fully pushed out of the mag. I tried a Gen 1 mag and had the same problem with not being able to chamber a round. After messing with the mags and the gun for awhile, it started working. I attributed the problem with the strong new springs in the mags. I ended up running 220 rounds through the gun using both the Gen 2 mag and the Gen 1 mags. So, bottom line: the Gen 1 mags work fine in the Gen 2 gun. And, the MPX is a lot of fun.


Thank you for this. I hope I can save a lot of $$ buying gen 1 mags when I can find them.




"..AGAINST ALL ENEMIES, FOREIGN AND DOMESTIC,...SO HELP ME GOD."


 
Posts: 20422 | Location: Czechtown,Minnesota | Registered: October 17, 2005Reply With QuoteReport This Post
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Picture of kent j
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Gun Mag Warehouse has Gen1 mags on sale now. 3 mags with a mag carrier for $59.99. I bought some and they were here in 2 days. Cheap shipping too.
 
Posts: 125 | Location: Southern Indiana | Registered: December 11, 2010Reply With QuoteReport This Post
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quote:
Originally posted by mrmn50:
quote:
Originally posted by immawake:
I took the MPX carbine to the indoor range today. I brought the 1 supplied Gen 2 mag and 3-Gen 1 mags, all loaded with 30 rounds of Freedom Munitions 124gr new ammo. I started with the Gen 2 mag and had trouble getting a round to chamber. The round wasn't being fully pushed out of the mag. I tried a Gen 1 mag and had the same problem with not being able to chamber a round. After messing with the mags and the gun for awhile, it started working. I attributed the problem with the strong new springs in the mags. I ended up running 220 rounds through the gun using both the Gen 2 mag and the Gen 1 mags. So, bottom line: the Gen 1 mags work fine in the Gen 2 gun. And, the MPX is a lot of fun.


Thank you for this. I hope I can save a lot of $$ buying gen 1 mags when I can find them.



Greetings, i had the same problem with a gen 2 mpx inpurxhased last year with gen 2 mags. I recently purchased another gen 2 mpx with gen 2 mags and it has run fine out of the box. The springs in the mags do put a lot of tension on the rounds which in turn but tension on the bcg. Leave your mags loaded to capacity for at least a week. This should clear up the problems. I read on here that some people use a wooden dowel or kitchen spoon to cycle the empty mags. I found this does not work as i cycled my mags at least 50 times each and still experienced malfunctions. Its after leaving them loaded for over a week that my gun cycled flawlessly. I believe the gun likes to be run wet with a thinner lube. I have no experience with gen 1 mags.
 
Posts: 15 | Location: FL | Registered: June 28, 2012Reply With QuoteReport This Post
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quote:
Originally posted by Manoloiv:
quote:
Originally posted by mrmn50:
quote:
Originally posted by immawake:
I took the MPX carbine to the indoor range today. I brought the 1 supplied Gen 2 mag and 3-Gen 1 mags, all loaded with 30 rounds of Freedom Munitions 124gr new ammo. I started with the Gen 2 mag and had trouble getting a round to chamber. The round wasn't being fully pushed out of the mag. I tried a Gen 1 mag and had the same problem with not being able to chamber a round. After messing with the mags and the gun for awhile, it started working. I attributed the problem with the strong new springs in the mags. I ended up running 220 rounds through the gun using both the Gen 2 mag and the Gen 1 mags. So, bottom line: the Gen 1 mags work fine in the Gen 2 gun. And, the MPX is a lot of fun.


Thank you for this. I hope I can save a lot of $$ buying gen 1 mags when I can find them.



Greetings, i had the same problem with a gen 2 mpx inpurxhased last year with gen 2 mags. I recently purchased another gen 2 mpx with gen 2 mags and it has run fine out of the box. The springs in the mags do put a lot of tension on the rounds which in turn but tension on the bcg. Leave your mags loaded to capacity for at least a week. This should clear up the problems. I read on here that some people use a wooden dowel or kitchen spoon to cycle the empty mags. I found this does not work as i cycled my mags at least 50 times each and still experienced malfunctions. Its after leaving them loaded for over a week that my gun cycled flawlessly. I believe the gun likes to be run wet with a thinner lube. I have no experience with gen 1 mags.


I have two, a pistol and a carbine. The carbine had this problem when new using the same mags that were well-proven with my pistol.

Bottom line, it just needed broken in. First couple hundred rounds out of battery happened quite a bit. Did a basic cleaning and shot another couple hundred and had very few occurences. Did a full cleaning and in the third outing the carbine was flawless. Make sure you are using normal powered ammo at first. Some common 9mm loads (Perfecta, Fiochi, Tulammo) are loaded pretty light.

Not excited about it, but it is what it is.

My pistol, for whatever it's worth, was flawless from day 1 out of the box just lubing it up and going.
 
Posts: 168 | Location: Michigan | Registered: March 11, 2013Reply With QuoteReport This Post
Telling cops where to go for over 20 years
Picture of 911Boss
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I am getting ready to buy a 9mm MPX, it will be a gen 2. Can gen 1 magazines be used in a gen 2 gun? Any problems? They seem to be a lot cheaper than gen 2 magazines.

I have seen differing opinions from other sources and SF has never led me astray





"Where MY free shit?!"

What part of "...Shall not be infringed" don't you understand???



 
Posts: 7259 | Location: Just stumbling through, trying to avoid a premature banjackulation of my own doing... | Registered: February 17, 2006Reply With QuoteReport This Post
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Picture of dwd1985
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quote:
Originally posted by 911Boss:
Can gen 1 magazines be used in a gen 2 gun? Any problems? They seem to be a lot cheaper than gen 2 magazines.


There really shouldn't be any issues/ differences between Gen I and Gen II magazine use in either generation weapon. Nearly everyone has reported that both generations work just fine when interchanged.



 
Posts: 3091 | Registered: October 28, 2010Reply With QuoteReport This Post
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Picture of Smokey99
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Gen 1 mags fail to feed about 5 times out of 20 rounds - I'm shooting 115 gr at COL 1.115". Have loaded some 147 gr at COL 1.169" - probably try those within next several days. The Gen 2 mags fed the 115 gr and 124 and 147 @ 1.169. I bought the gen 1's on sale - doubled one with a Gen 2 to make a 70 round mag for 3 Gun PCC class.


"Son, always take your paper to the woods" - my dad
NRA Endowment Life Member
IDPA & Bullseye Shooter
 
Posts: 298 | Location: Upstate SC | Registered: October 11, 2010Reply With QuoteReport This Post
Telling cops where to go for over 20 years
Picture of 911Boss
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quote:
Originally posted by dwd1985:
quote:
Originally posted by 911Boss:
Can gen 1 magazines be used in a gen 2 gun? Any problems? They seem to be a lot cheaper than gen 2 magazines.


There really shouldn't be any issues/ differences between Gen I and Gen II magazine use in either generation weapon. Nearly everyone has reported that both generations work just fine when interchanged.



Cool, just ordered 5 at less than 1/2 the price of gen 2 mags. Just the deal I needed to get me off the pot to order my pistol. Kinda surprised a local dealer had the best price on the pistol, not in stock but should be here next week, can't wait!

This message has been edited. Last edited by: 911Boss,





"Where MY free shit?!"

What part of "...Shall not be infringed" don't you understand???



 
Posts: 7259 | Location: Just stumbling through, trying to avoid a premature banjackulation of my own doing... | Registered: February 17, 2006Reply With QuoteReport This Post
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In a strange turn of events.... The ATF is faster than Sig at delivering things filled out on the same day. (Form 1 vs 4in barrel)
 
Posts: 9 | Registered: July 01, 2016Reply With QuoteReport This Post
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Picture of walker77
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What do you guys like in the collapsible stocks? I have a sig folding stock right now. Its nice, but I really want to try a collapsible stock. Not looking for a M4 stock setup.
 
Posts: 6239 | Location: Raymore, Missouri | Registered: June 24, 2006Reply With QuoteReport This Post
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Originally posted by g8rbreath:
So called Sig customer service to check on my MPX K handguard I ordered Feb 2016, they said approximate ship date is July. At least my Omega 9K is about to clear! Can't believe it's taking so long for a part...


Sig just charged my Credit card $129, looks like the 4.5" handguard is shipping soon! woo hoo! hope it's not a false alarm...
 
Posts: 23 | Registered: March 08, 2016Reply With QuoteReport This Post
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Picture of Cntrl23
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They also charged my card for the 4.5" handguard on Saturday. I ordered it in January of 2016. Now just waiting for the shipping email - very excited for it to arrive!

ETA: Still no email from Sig, but I did receive a notification via my FedEx account with tracking info for an incoming (SmartPost) shipment. Shows it as in transit from SSI - Newington, NH. Big Grin

This message has been edited. Last edited by: Cntrl23,
 
Posts: 115 | Location: MN | Registered: January 07, 2016Reply With QuoteReport This Post
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Originally posted by Cntrl23:
They also charged my card for the 4.5" handguard on Saturday. I ordered it in January of 2016. Now just waiting for the shipping email - very excited for it to arrive!

ETA: Still no email from Sig, but I did receive a notification via my FedEx account with tracking info for an incoming (SmartPost) shipment. Shows it as in transit from SSI - Newington, NH. Big Grin


I got my shipping notice last night, checked FedEx and package is in transit for delivery Monday!
 
Posts: 23 | Registered: March 08, 2016Reply With QuoteReport This Post
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quote:
Originally posted by Smokey99:
Gen 1 mags fail to feed about 5 times out of 20 rounds - I'm shooting 115 gr at COL 1.115". Have loaded some 147 gr at COL 1.169" - probably try those within next several days. The Gen 2 mags fed the 115 gr and 124 and 147 @ 1.169. I bought the gen 1's on sale - doubled one with a Gen 2 to make a 70 round mag for 3 Gun PCC class.


I am running 115 gr. RN bullets (xtreme bullets) at that same length and have never had an issue with any of them, gen1 or gen2. Might be something with your gun, or with the cases having bulges perhaps. Hope this helps.
 
Posts: 15 | Registered: December 22, 2015Reply With QuoteReport This Post
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quote:
Originally posted by Smokey99:
I've bought 3 sets so far (have them on AR's also). Run about $195.00. Trigger pull 2.5-3 with the springs for lightest setting. 24C comes with three sets of springs so you can select what weight you want.


Very happy with the 24c trigger! Now if I could only reload as fast as I shoot the bullets I would be all set!! It did take about 200 rounds for me to get adjusted to it (or maybe it had to break in a bit too).
 
Posts: 15 | Registered: December 22, 2015Reply With QuoteReport This Post
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Picture of Smokey99
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quote:
Originally posted by mpxgeek:
quote:
Originally posted by Smokey99:
Gen 1 mags fail to feed about 5 times out of 20 rounds - I'm shooting 115 gr at COL 1.115". Have loaded some 147 gr at COL 1.169" - probably try those within next several days. The Gen 2 mags fed the 115 gr and 124 and 147 @ 1.169. I bought the gen 1's on sale - doubled one with a Gen 2 to make a 70 round mag for 3 Gun PCC class.


I am running 115 gr. RN bullets (xtreme bullets) at that same length and have never had an issue with any of them, gen1 or gen2. Might be something with your gun, or with the cases having bulges perhaps. Hope this helps.


I'm running the identical bullet. I'll try the other Gen 1 I have. My MPX is a Gen II - but that should not be a different barrel/barrel extension than Gen 1 MPX. My failures with Gen 1 mag is bolt over bullet when feeding (20 round mag - maybe spring too strong?)


"Son, always take your paper to the woods" - my dad
NRA Endowment Life Member
IDPA & Bullseye Shooter
 
Posts: 298 | Location: Upstate SC | Registered: October 11, 2010Reply With QuoteReport This Post
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posted Hide Post
quote:
Originally posted by Smokey99:
quote:
Originally posted by mpxgeek:
quote:
Originally posted by Smokey99:
Gen 1 mags fail to feed about 5 times out of 20 rounds - I'm shooting 115 gr at COL 1.115". Have loaded some 147 gr at COL 1.169" - probably try those within next several days. The Gen 2 mags fed the 115 gr and 124 and 147 @ 1.169. I bought the gen 1's on sale - doubled one with a Gen 2 to make a 70 round mag for 3 Gun PCC class.


I am running 115 gr. RN bullets (xtreme bullets) at that same length and have never had an issue with any of them, gen1 or gen2. Might be something with your gun, or with the cases having bulges perhaps. Hope this helps.


I'm running the identical bullet. I'll try the other Gen 1 I have. My MPX is a Gen II - but that should not be a different barrel/barrel extension than Gen 1 MPX. My failures with Gen 1 mag is bolt over bullet when feeding (20 round mag - maybe spring too strong?)


Mine is a Gen2 gun, but I have only used 30 round mags. Now that I think of it, I have had a few instances of the first round not feeding properly, but that has always been my fault for not seating the mag in fully. I re insert the mag with a little more force and no issues.

How much powder are you running in your loads? I wonder if it's not enough to cycle the bolt all the way back and you are short stroking the bolt? I am running 4.6gr of titegroup. I run 4.2 for my pistols but thought it would be good to have a little more combustion to cycle this gun so I went with that and seams to be fine. I don't have a chrony available but no signs of over pressuring. I also cleaned the gas valve recently and the port was almost completely shut off by a big chunck of lead, which took about 2 hours to remove (I had been running a moly coated bullet in the beginning and believe melted lead to have caused this, I'm not running those in this gun anymore lol).

Keep me in the loop if you figure this out, I am interested to see what the issue has been. Good luck!
 
Posts: 15 | Registered: December 22, 2015Reply With QuoteReport This Post
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