Is the Mossberg 930SPX overbored?

Is the Mossberg 930SPX overbored?

This is a discussion on Is the Mossberg 930SPX overbored? within the Defensive Rifles & Shotgun Discussion forums, part of the Related Topics category; Does anyone have one and know if it's overbored or not? I have a 935 which is overbored to the same diameter as a 10ga. ...

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Thread: Is the Mossberg 930SPX overbored?

  1. #1
    Senior Member Array darkvibe's Avatar
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    Is the Mossberg 930SPX overbored?

    Does anyone have one and know if it's overbored or not? I have a 935 which is overbored to the same diameter as a 10ga. which means I can't fire slugs out of it.

    I was thinking about picking up a 930 but want to be able to fire slugs out of it.


  2. #2
    Senior Member Array threefeathers's Avatar
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    I just used a Mossberg 930SPX at Mas Ayoob's LFI II. It performed perfectly, tiny shot groups, 90 rounds of slugs and 20 of 00 shot in intensive drills. I fired the final match which ends with firing 5 rounds of slugs as fast as yu can. All rounds must hit the A Zone.
    I did it in 1.3 seconds.

  3. #3
    VIP Member Array Janq's Avatar
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    I do not believe it is overbored.
    I've never heard of as much toward the 930 SPX in specific.

    I have wanted one for 3 yrs. now but finding one in stock has proven to be an impossibility.

    - Janq
    "Killers who are not deterred by laws against murder are not going to be deterred by laws against guns. " - Robert A. Levy

    "A license to carry a concealed weapon does not make you a free-lance policeman." - Florida Div. of Licensing

  4. #4
    Senior Member Array darkvibe's Avatar
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    Thanks guys. Sounds like I'm good to go.

    As for being in stock, Dicks sporting goods has them all the time around here. I hate buying stuff there but when they have what I want they're getting the cash.

  5. #5
    Senior Member Array darkvibe's Avatar
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    Picked one up today. Cleaned it and hopefully giving it a workout tomorrow.

  6. #6
    Senior Member Array darkvibe's Avatar
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    I couldn't get the 930spx to cycle for more than 3 or 4 rounds in a row. I only had 1 kind of ammo with me. I'm going to try another type.

  7. #7
    Member Array NCinstructor's Avatar
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    Shot well over 100 hundred rounds of #8 birdshot through mine a week or so ago. No jams and it eats 00 and slugs like nothing else.
    | Type 01 FFL / SOT |
    | NC CHP Instructor | NRA Pistol Instructor |

  8. #8
    Senior Member Array mojust's Avatar
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    I sighted mine in at 75 yards on Weds and it was remarkable accurate. That doesn't indicate that it's over-bored to me. I'm going to re-sight it next week for 30 feet for home defense. Fine shotgun. Didn't hiccup once and I put 70 rounds through it.

  9. #9
    Senior Member Array darkvibe's Avatar
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    update on this gun.

    After about 150 rounds it started shooting anything I fed it. Nice gun.


  10. #10
    VIP Member Array dukalmighty's Avatar
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    Its a good idea to lube them good when first breaking them in til they smooth out a little,then lightly lube the contact points and your good to go
    "Outside of the killings, Washington has one of the lowest crime rates in the country,"
    --Mayor Marion Barry, Washington , DC .

  11. #11
    Senior Member Array David III's Avatar
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    I am hearing from customers that these guns run pretty well either right from the box or after 200 rounds or so, nobody mentions anything other than they shoot tight groups. If the forend is loose, the fix is to mount one of those Wilson Combat sling swivel plates under the mag tube extension.
    I hope these guns run, I just bought one with the pistol grip buttstock - waited 11 months for it from the distributor. Oh, and the mag tube extension to barrel dimension is the same as a Rem 870, so if you want to put a clamp up there to keep the extension from moving, anything for a Rem 870 will work (nope, I didn't figure that out, the guys at Nordic Components did).

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