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Picattiny rail

Discussion in 'Anything Airgun Related' started by Shooter22, Apr 29, 2014.

  1. Shooter22

    Shooter22 Donator

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    Hi all,

    Can some one explain to me the benefits, if any, of a picattiny rail compared to a dovetail rail.
    Seen a few threads were people are fitting a picattiny rail to their rifles just want to know why.

    Thanks in advance

    Regards

    June
     
  2. Tripleteer

    Tripleteer Donator

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  3. oliver13

    oliver13 Donator

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    Bigger so stronger with more surface area for scope mounting & the slots make it easy to install a scope arrest, it's not totally guaranteed but I find I can usually mount & dismount scopes with virtually no loss of zero.

    The main thing though, they aren't primarily designed for airguns, when you look at the variety of stuff the military hang off them they make a lot more sense, they are a lot easier to use, & would you really want to be fiddling with an 11mm scope rail when there's Taliban in the vicinity?

    http://en.wikipedia.org/wiki/Picatinny_rail
    http://en.wikipedia.org/wiki/Weaver_rail_mount
    http://en.wikipedia.org/wiki/NATO_Accessory_Rail
     
  4. Shooter22

    Shooter22 Donator

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  5. AMV8

    AMV8 Engaging Member

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  6. Shooter22

    Shooter22 Donator

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    Shortenhauzen Engaging Member

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  8. revs1972

    revs1972 Well-Known Member

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    What rifle are you fitting to?
     
  9. revs1972

    revs1972 Well-Known Member

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    View attachment 95087 I have mounted a picatinny to dovetail adaptor to my Mk4 target.
    it was one of the cheaper Deben sets ( about £15 from memory)
     
  10. Dunkman

    Dunkman Posting Addict

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    I have just fitted 2 scope mounted Weaver/Piccatinny rails to my rifles for attaching my lamp and they really are superb. Easy to mount the lamp on and off them and the same alignment each time.
     
  11. Shooter22

    Shooter22 Donator

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    Hi,

    I am fitting to a Daystate MK3 which I am bull pupping so I need to set the scope as forward as possible.
    I was looking at this for attaching at the front of the breech then using one triple mount for attaching the scope to.
    Don,t suppose you know where I can get a intermount from which goes over the air tube and barrel then a breech extender is attached similar to this.
    http://i489.photobucket.com/albums/rr260/sniper22inuk/124656701.jpg
    http://www.deben.com/bkl-rings-moun...1mm-rail-1pc-4-offset-adaptor-matt-black.html

    Thanks

    June
     
  12. terry1001

    terry1001 Major Poster

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    This extra information might well help with some suggestions.
    I had previously considered fitting a long picatinny rail to my Air Arms S410, something which would have only been possible if the rail could be raised enough to clear the magazine. If you have some access to machine tools, especially a milling machine, you would be able to make up a system using 2 riser/adapter blocks to fit onto your existing dovetails and then screw the picatinny rail to them. Most of the rails available at affordable prices come (obviously) from China and are about 250mm long which might well be enough. These are made of aluminium and are fairly rigid, if you have the cash to throw at the job you could go to one of the specialists in mounting equipment (sorry I don't have any links) who could make something up to your specification in steel.
    However you do this I would make sure that you do get the measurements right first, a scope with short eye relief would help, maybe a Connect?
     
  13. Shooter22

    Shooter22 Donator

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    Thanks Terry,

    I understand what you are saying regarding the riser blocks, unfortunately I don't have access or the knowledge to make something like that.
    I am considering the connect with perhaps one reach forward mount attached to the rail as I think they will suit a bullpup.
    If you have any other suggestions please let me know.

    Kind regards

    June
     
  14. terry1001

    terry1001 Major Poster

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    If you don't have access to machine tools you might consider this option:
    a pair of these http://www.ebay.co.uk/itm/Weaver-Sc...Hunting_ShootingSports_ET&hash=item43c460f2d1 and
    this http://www.ebay.co.uk/itm/LONG-10-X...Hunting_ShootingSports_ET&hash=item1e858348d2
    the top part screws off the riser adapters and then you would have to place them on the rifle and measure for drilling holes in the rails so that it can be bolted to the risers. Obviously this needs to be done very carefully but should provide a solution. The risers are slighty longer than your dovetails but they can be cut to length and then the whole assembly sprayed matt black or as required This is what I would have done for my (now abandoned) project.
    I have both a lathe and a milling machine and sometimes I forget how difficult it can be for other people but you may find someone local to you who has the equipment and knowledge to help. It could be done, with a bit of care, using a drill press, 2 or 3 appropriately sized drill bits plus a tap and countersunk head screws.
    There have been several bull pup conversions done by members here so there may be some alternative methods of mounting a scope which might be suitable for you.
     
  15. Shooter22

    Shooter22 Donator

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    Hi Terry,

    Thank you very much for your help, this is certainly something I am going to give some consideration to, as like you say, it could well provide a solution with minimum diy skills for someone like myself. First thing I am going to try though is an mtc connect to see how it sits on the rifle to my eye as I may not need to extend the breech too far.

    Again Terry thanks for your advice it is very much appreciated!.

    Kind regards

    June
     
  16. Shooter22

    Shooter22 Donator

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    Hi Terry,

    Can I ask if I was to fit one of the blocks to the front of the breech then the other to the rail extension do you think it would be stable enough for mounting a scope or is it likely to move due to there only being one point of connection to the rifle block.

    Thanks


    June
     
  17. terry1001

    terry1001 Major Poster

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    I would fit both riser blocks to the dovetail on the rifle, as far apart as possible. This has 2 benefits, it reduces the amount of overhang and reduces the likely machining/fitting error. I'm not familiar with your model of rifle so can't really be specific but you really don't want too much overhang if you can avoid it.
     
  18. r10hunter

    r10hunter Honorary Member

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  19. Shooter22

    Shooter22 Donator

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