Looking for shot shell vs bbl construction advice for Mossberg

Discussion in 'General Shotgun Discussion' started by Rossignol, Mar 17, 2010.

  1. Rossignol

    Rossignol New Member

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    Mornin folks.

    I have a 500, and am looking to add a 590 (heavy wall maybe) or a 930.

    I typically use win superx heavy game loads for critters, and win AA high velocity (1250 fps) target loads for general target shooting and as my HD round. I have some federal shells but use those far less often. Either way, the loads pattern very well @ 25 yds, no issues there.

    Heres the question portion;

    My 500 is a standard Mossberg persuader bbl. I'm adding either the 590 or 930, either way would be a spec pupose. But for slug rounds, like Hornady for example, @ nearly 2000 fps, is the heavy wall bbl needed? How much charge is "too much" for a standard bbl? The 590a1 all have a heavy wall bbl., but how necessary is it, when does it become necessary?

    I never did have a manual for my 500, so I really dont know how much noise is too much through the standard bbl, and if I need to consider the heavy wall bbl before going to a higher velocity shell.
     
  2. robocop10mm

    robocop10mm Lifetime Supporting Member Lifetime Supporter

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    The Hornaday slugs are sabot slugs. That is why the velocity is so high. You must use a fully rifled barrel to shoot these accurately.
     

  3. Rossignol

    Rossignol New Member

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    Ahhh! That explains it, thanks!

    So for slugs maybe something like Winchester Ranger shells? I've also heard double 00 buck may be too much for a standard bbl?

    I havent tried slugs yet at all, and would like to see what kind of range I can get. Also my goal in this is to get more info before I decide on another shotgun, so I appreciate any advice. My experience is pretty limited to point and shoot...
     
    Last edited: Mar 17, 2010
  4. robocop10mm

    robocop10mm Lifetime Supporting Member Lifetime Supporter

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    I don't know who is feeding you information but they are either stupid or ill-informed. All major ammo and gun manufacturers are members of a coalition called SAAMI. The Sporting Arms and Ammunition Manufacturers Institute. They set and agree upon dimensional and pressure standards for the ammunition used in civilian firearms. Winchester ammo will be safe in Mossberg shotguns, period. OO buck has no more pressure than #4 buck which has the same pressure limits of any other ammo in that gauge/caliber.

    The main thing you need to understand in shotguns is shell length. If your shotgun has a 3" chamber it can safely shoot any ammo that is 3" or SHORTER! You cannot shoot 3 1/2" shells. They can develop unsafe pressures in a 3" chamber. DO NOT go by whether the ammo "will fit" as the shell length is measured AFTER firing. A 3" loaded round "will fit" in a 2 3/4" chamber but will not have sufficient room to open up on firing and allow the shot to pass through the barrel unobstructed. A 3" shell fired in a 2 3/4" only chamber WILL develop higher than allowable pressures.

    Thus ending your first lesson in shotgun ammunition.

    Robo.
     
  5. Rossignol

    Rossignol New Member

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    Alrighty then! That clears up much, thank you! So that begs the next question, for me anyway. What then is the need of the heavy barrel? Sounds like I will have no need of one... But dont know why it is commercially available.

    Time to start pattering some new ammo!
     
  6. Virginian

    Virginian Active Member

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    Should work well for hitting something over the head with.
     
  7. deth502

    deth502 New Member

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    the 590 has a heavier bbl and tube for the occasions when you chose to use that bayonet lug on it for more than looking pretty.

    while robo is 100% correct in the fact that bbl thickness has nothing to do with it, depending on what type of slug you want to use, choke selection may come into teh equation.
     
  8. Rossignol

    Rossignol New Member

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    lol! I'll keep one layin around in case I run out of ammo!

    Well, Deth... So lets say a cylinder bore, as the new Mossies I'm looking at are equiped, paired with a rifled slug, like winchester super x, 1600 fps, what change may need to be made to the choke? Did a little more digging before posting this and looks as if a breaching choke tube can work well with slugs and double 00 buck, a full choke used with cylinder bore... I know only pattering can tell for sure.

    I do appreciate the info, it helps me to refine my searches, and things I'm reading are becoming familiar.

    Thanks folks!

    brad.
     
    Last edited: Mar 17, 2010
  9. robocop10mm

    robocop10mm Lifetime Supporting Member Lifetime Supporter

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    A heavy barrel might be useful for serious accuracy work with sabot slugs (if the barrel is fully rifled). A breaching choke tube is one that vents excess gasses when the muzzle is in contact with the target (breaching a door). It should have nothing to do with "choke". It simply screw in to the threaded muzzle like any other choke tube and extends several inches beyond the muzzle. It will have numerous holes or slots that vent off the excess gasses. A full choke would be counter productive with many "breaching rounds" as they are highly frangible and would likely start to break up prematurely and not penetrate the door/hinge/lock.
     
  10. Rossignol

    Rossignol New Member

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    Thanks for the heavy barrel info. Probably not what I'll be doing, I can wait for a target that is in range, and on 15 acres, I really dont need a 200 yd. shot anyway.

    Heres what I was lookin at;

    [​IMG]

    This is the description, 5th one down the page.

    Trulock Chokes (photos descriptions)- choke tubes for mossberg, remington, winchester, beretta, benelli products, and other brands

    Now as far as what this is saying, it eliminates the need to change muzzle devices when alternating ammunition. Hence some of my confusion over cylinder bore - choke tube - double00, cylinder bore - choke tube- rifled slugs. Really I'm looking for something to do both, and this seem to fit the bill.
     
  11. robocop10mm

    robocop10mm Lifetime Supporting Member Lifetime Supporter

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    The "Teeth" are for biting into the wood of a door so a frangible slug (AKA Avon Round) can be fired into the hinge or latch mechanism of a door alloing it to be opened more easily (See the movie "The Final Option"). They look "tacticool", but serve little or no purpose for non-LE entry teams.
     
  12. Rossignol

    Rossignol New Member

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    Right, I agree, something that would serve little purpose for my self. This choke in particular came up in a search for double 00 and rifled slug choke tubes. I like components that can serve multiple purposes.

    I'm beginning to get into more shooting, and my children are beginning to shoot as well, my daughter wants to shoot competitively, which is why I'm trying to sort all this out.

    But I guess if its not broke...
     
  13. deth502

    deth502 New Member

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    if your looking to shoot slugs and buck, cyl bore is perfect. if you plan on going turkey hunting, it aint gonna come close to what you need. it will also pattern way too wide with game loads for things like squirrel and rabbit too. you shouldnt be too bad on things like phesant and quail though.

    on the other end of the spectrum, with a full choke, id be weary of shooting most slugs. even if the design of a certain slug will work with a highly constricted choke, its still going to increase the recoil of the round tremendously.

    you are really not going to be able to do all that you want with one set choice. if you wan to do it all, youll prob be looking for either a changeable choke, or a set of different bbls.
     
  14. sgtdeath66

    sgtdeath66 New Member

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    id say invest in barrels instead of chokes ;) the reason is barrel length youll want different lengths for different apps
     
  15. Rossignol

    Rossignol New Member

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    Thanks for all the info and advice! I think I've decided on the set up I'm going to go with!