New Haven 600/Mossberg 500

Discussion in 'Shotguns' started by Black Knight, Jun 20, 2012.

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  1. Black Knight

    Black Knight Member

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    I just completed a Mossberg Armorers course and got to looking at an old shotgun I inherited from my Dad who inherited it from his boss. The shotgun is a New Haven model 600AB in 12 GA. I was looking at the New Haven and it appears to be made for them by Mossberg (Mossberg butt plate). It does not have a drop safety trigger group. The bolt assembly is slightly different from the Mossberg 500. The slide the bolt sets on is also different. It appears thought that I could get the appropriate Mossberg assemblies and give the gun an upgrade. Supposedly the New Haven model 600AB is the Mossberg 500. The way I figure I could save money by upgrading it instead of buying a whole new gun. Do any of you believe this can be done safely and relatively inexpensive?
     
  2. Dave McCracken

    Dave McCracken Moderator In Memoriam

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    First, see if it works with the present parts.

    Mossberg 500s date back only to the 60s, not before the Spanish American War.
     
  3. 1KPerDay

    1KPerDay Member

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    The new haven 600 is similar to the older 500s with one action bar, at least the ones I handled were. You CAN swap the cartridge interrupter for the the new type of interrupter if you want (actuated by the lifter, rather than by the bolt/slide), IIRC. At least the one I worked on you could. I don't know about swapping bolt/slides, etc.

    I agree with Mr. McCracken, though. Nothing wrong with the 600 and it may be nicer/smoother than a new one. Plus after you end up buying all the newer parts you'll probably have spent as much as buying a whole 500. :)
     
  4. foghornl

    foghornl Member

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    Give it a good cleaning, a tiny bit o' lube here-n-there, then go out and have some bang-up fun with it.

    You will probably find that the only thing it needs is shootin'.
     
    Last edited: Jun 21, 2012
  5. 303tom

    303tom member

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    http://www.hoosiergunworks.com/catalog/cross_reference.html

    http://www.gunpartscorp.com/catalog/Products.aspx?catid=7810
     
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