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Biggest POS Shotgun I've Ever Fired..The Mossberg 930 SPX
skytrooper603  [Member]
Well where do I start? Took my new Mossy 930 SPX out today in preparation for a Tactical Shotgun Class next weekend. I fired 80 or so rounds, 40 Federal LE Tactical Hydrashock Slugs, Federal LE Tactical 00 buck, Remington Slugger slugs and Winchester Bird shot. This POS failed to eject on ALL types between 20 - 40 % of the time. The only thing that ran ok was the Fed LE 00 buck, and the Winchester Bird shot would not eject one single round out of 10. It also stove piped 8 times. After 60 rounds I still couldn't get this thing where it should be on paper, I had the wind-age maxed out to the left , it was then I noticed the front sight was canted. WTF. This a joke. How could anyone trust their life with this thing? And yes, I did disassemble it, clean and lube it. I also became aware the sights sit way to high for any kind of a cheek weld. This I could fix with a pad for the stock but at this point I think I'll just take it back and get a pump. JUNK! Vent done...
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cobra-ak  [Team Member]
Semiauto?
skytrooper603  [Member]
Originally Posted By cobra-ak:
Semiauto?



Affirmative..
JIP  [Team Member]
TAG because I was thinking about picking one of these up some day....
Ironmaker  [Team Member]
I'm glad I bought an FN SLP MKI instead. I've fed everything from light loaded 7 1/2 shot to 3" mag slugs and buckshot and not a hiccup.
skytrooper603  [Member]
To me there's no excuse for this kind of sh1t. I shouldn't have to take a new gun and piss through $100 or more dollars of ammo to "break it in". And the canted sight, from further reading was a known problem a while back but I just bought this gun a few weeks ago. Man I'm glad I never counted on this for home defense. There's just no excuse for this.
FDC  [Team Member]
That's why I bought the 590 SPX. It chews through everything.
JIP  [Team Member]

Originally Posted By Ironmaker:
I'm glad I bought an FN SLP MKI instead. I've fed everything from light loaded 7 1/2 shot to 3" mag slugs and buckshot and not a hiccup.
Yeah well Mossberg $619 on Gunsamerica:
http://www.gunsamerica.com/935295507/Guns/Shotguns/Mossberg-Shotguns/Autoloaders/Mossberg_930_SPX.htm

And FN SLP MKI $975
http://www.gunsamerica.com/975758832/Guns/Shotguns/FNH-Fabrique-Nationale-Shotguns/Auto/Tactical/FN_SLP_MK1_Police_Shotgun_Auto_loader_12g.htm

So I don't think were really talking about the same thing here.
spaghettiWestern  [Member]
I bought the 930 SPX back in May and I had similar problems with light target loads. Like many auto loaders, the precision machined parts need a break in period. About 200 rounds of heavy buckshot, slugs, or magnum loads should be good enough to get it running smoothly. Its like a different gun after the break in. It eats everything I throw at it. You'll love it, I promise.

edit* If you contact Mossberg customer service about the sight problem they will send you a new barrel with the updated sight design.
DLaw  [Team Member]
Originally Posted By spaghettiWestern:
I bought the 930 SPX back in May and I had similar problems with light target loads. Like many auto loaders, the precision machined parts need a break in period. About 200 rounds of heavy buckshot, slugs, or magnum loads should be good enough to get it running smoothly. Its like a different gun after the break in. It eats everything I throw at it. You'll love it, I promise.

edit* If you contact Mossberg customer service about the sight problem they will send you a new barrel with the updated sight design.


Yeah I agree with this..Some auto shotguns just don't like light loads...That's why I don't use them in my semi auto shotguns..

I also have a 930 and have shot regular loads through it without issue..

skytrooper603  [Member]
Originally Posted By spaghettiWestern:
I bought the 930 SPX back in May and I had similar problems with light target loads. Like many auto loaders, the precision machined parts need a break in period. About 200 rounds of heavy buckshot, slugs, or magnum loads should be good enough to get it running smoothly. Its like a different gun after the break in. It eats everything I throw at it. You'll love it, I promise.

edit* If you contact Mossberg customer service about the sight problem they will send you a new barrel with the updated sight design.



My biggest complaint is this thing should have never left the factory. I didn't mention but it has a deep gouge that's about 6" long in the mag tube that's screwed into the reciever, why thye hell would they ship a gun like that? what is it a $3.00 part! Also what's the updated sight design?
spaghettiWestern  [Member]
It sounds like you managed to pick up an early production run SPX. When the 930 first came out many of them had the problems that you describe. And you're right. The earlier versions should never have left the factory. They managed to smooth out some of the rough spots in the design in later runs. (I managed to get one of these.) The new front sight is basically a beefed up version of the old. Wider gauge metal, and most importantly, not canted.

I've always had good experiences with Mossberg customer service. Tell them about the sight problem and the mag tube. (Because you aren't going to see a mag tube flaw till after you purchase the gun right?) Your warranty should take care of getting a new barrel, and it may even cover the mag tube as being defected.
Pro2AinPA  [Team Member]
Should have bought an SLP Mk 1 and been done with it. Ya get what ya pay for.
oldmanT  [Team Member]
Originally Posted By Pro2AinPA:
Should have bought an SLP Mk 1 and been done with it. Ya get what ya pay for.


Its hard to suggest that they are comparable since there is such a price difference. I bought the FN simply because I had the money to do so and trust FN to make a fine shotgun.

Not every 930 is like this, thats obvious. Send it back to mossberg and get them to fix it or return it and get something else. Its too bad a company would knowingly put out a defective product, especially one that people would use to defend their lives.

Good luck getting it all sorted out.
fyeguy  [Team Member]
Funny, I ran mine through a tactical shotgun class a few months ago and had maybe 4 failures to fully cycle with light loads. Which was about the same as the three guys running $2k Benelli M4's.

Shooting three gun is great, but if you're depending on an auto-loading shotgun as your last line of defense, then you are clearly insane.
ag04blast  [Member]
My 930SPX has eaten everything except for the cheap Super X crap. The remington bulk (100rd) pack from Walmart works great.
Enigma102083  [Team Member]
I'll give you $250 for it.
SIG-shooter  [Member]
I had a Benelli M1S90 that was picky to, its more about the OS than the quality of the gun

I just ran full house loads and it did fine
Captain_Picard  [Team Member]
Many guns won't cycle the cheap Winchester shells (Universals). Hell, I even have a side by side gun that does like them.

Full power, premium shells should cycle however. You may need a fluff and buff done on your chamber and more shells fired to break through the "teething" issues.

Hope it's not just a Lemon. Send it back to Mossberg if things don't improve.
domestique1  [Member]
My 930 SPX has eaten everything #7 shot, buck and Slugs from (Federal, Remington, Winchester, Hornady: both low recoil, regular and mangum) the only thing I had problems with is Fiocchi low recoil buck which is 100 FPS slower then other low-recoil rounds.

My front sight was also canted but mossberg replaced the barrel for me.

FWIW, I paid $540.00 new on Gunbroker.
racinfast002  [Member]
Most mossbergs have problems with light loads. My 935 does. And it probably has 2k+ rounds through it. Basically any time you buy a gun chambered in 3" or bigger, your going to have problems with light 2 3/4" loads. The gas system wasn't designed for such a light load.
Pro2AinPA  [Team Member]
Originally Posted By racinfast002:
Most mossbergs have problems with light loads. My 935 does. And it probably has 2k+ rounds through it. Basically any time you buy a gun chambered in 3" or bigger, your going to have problems with light 2 3/4" loads. The gas system wasn't designed for such a light load.


My FN SLP Mk1 is chambered for 3" shells and I've burned through 800 2 3/4" Wal Mart cheap loads with zero malfs.
oldmanT  [Team Member]
Originally Posted By Pro2AinPA:
Originally Posted By racinfast002:
Most mossbergs have problems with light loads. My 935 does. And it probably has 2k+ rounds through it. Basically any time you buy a gun chambered in 3" or bigger, your going to have problems with light 2 3/4" loads. The gas system wasn't designed for such a light load.


My FN SLP Mk1 is chambered for 3" shells and I've burned through 800 2 3/4" Wal Mart cheap loads with zero malfs.


Same, my FN has never had any issues with light bird loads
urbanpi  [Team Member]
Of course, I got a whole load of crap about how the $399 Stoeger S2000 Tactical was a POS because the inside of the receiver wasn't polished or some crap like that. It runs as well as any of the LE Benelli SG's I had, only lighter........
flpickupman  [Team Member]
As much as I like the 590A1s, go with the FN SLP if you want a semi-auto for less than Benelli prices.
FightingHellfish  [Team Member]
THe Winchester birdshot is so shitty it can lock up an 870.
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