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Thread: New front sight fits loose in dovetail slot..

  1. #1
    Boolit Buddy
    Join Date
    Jun 2019
    Posts
    104

    New front sight fits loose in dovetail slot..

    I am changing my model 94 over to receiver sight,and expect it tommorow .I removed the rear sight,and front sight blade to replace it with one I have around here thats a hair higher.The old sights were really in the dovetails snug,especially the rear one it was a pain to get out..I went to put the higher blade in,and it went in with nearly no resistance..I have had this issue with another front sight,and finally had to shim the sight with a strip of aluminum cut from a pop can..Is there a better way?.How do you all deal with this problem. ..Thanks

  2. #2
    Boolit Buddy
    Join Date
    Oct 2007
    Location
    NW Missouri
    Posts
    135
    You can always take a prick punch and raise some metal within the dovetail to tighten it up.
    Phil

  3. #3
    Boolit Master
    Winger Ed.'s Avatar
    Join Date
    May 2007
    Location
    The Republic of Texas
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    936
    Quote Originally Posted by 22cf45 View Post
    a prick punch and raise some metal within the dovetail to tighten it up.Phil
    That's how I've done it.
    Everyone can learn from their mistakes.
    However; it's less painful, and cheaper to learn from the mistakes of others.


    Old age and treachery will always overcome youth, and skill.

  4. #4
    Boolit Master Bazoo's Avatar
    Join Date
    Dec 2013
    Location
    Cecilia, Kentucky
    Posts
    2,594
    I've turned down the top of the dovetail cut on the barrel with a punch and hammer. If done gently it's not noticed and will tighten up a slightly loose fit.

  5. #5
    Boolit Buddy
    Join Date
    Jun 2019
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    104
    Thanks everyone.

  6. #6
    Boolit Master pietro's Avatar
    Join Date
    Mar 2008
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    New England
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    Quote Originally Posted by Elroy View Post

    ..I went to put the higher blade in,and it went in with nearly no resistance..I have had this issue with another front sight,and finally had to shim the sight with a strip of aluminum cut from a pop can..

    Is there a better way ?

    Yeah - use a BCS (beer can shim )

    I camo any visible edges of mine with a black Sharpie.

    .
    Experience is a wonderful thing - It lets you recognize a mistake, when you make it again.

  7. #7
    Boolit Grand Master

    Join Date
    Mar 2013
    Location
    Northwest Ohio
    Posts
    10,557
    A shim can be cut and used to tighten up a loose fit. If peening I prefer to peen the sights dovetail rather than the slot. ( the original fit and peening the slot means it will have to be refit if you use it again). I wouldn't go a lot with the shim to start .001-.002 may really snug it up.

  8. #8
    Boolit Buddy
    Join Date
    Jun 2019
    Posts
    104
    I ended up shimming it for now,and if it gives me any trouble down the road I will take a sharp punch to it.I hate to peen it yet incase I need to go back to the other sight.I ended up using a steel shim cut from an old tape measure,and it felt real snug tapping it in.I think it will do the trick.

  9. #9
    Boolit Grand Master Texas by God's Avatar
    Join Date
    Mar 2016
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    Texas
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    7,986
    Quote Originally Posted by Bazoo View Post
    I've turned down the top of the dovetail cut on the barrel with a punch and hammer. If done gently it's not noticed and will tighten up a slightly loose fit.
    This^^^

    Sent from my SAMSUNG-SM-G930A using Tapatalk

  10. #10
    Boolit Master
    Join Date
    Jan 2010
    Location
    Tom, VA
    Posts
    4,593
    I prefer to use a center punch to raise dimples on the underside of the sight. Another way is to lightly peen the sharp edge of the sight. Just hold it on an anvil and tap to dull the knife edge. These two techniques can be used together, and with no modification to the gun itself. If anything goes wrong, just buy another front sight.

  11. #11
    Boolit Master pietro's Avatar
    Join Date
    Mar 2008
    Location
    New England
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    .

    Nice job !

    Now U R a gunsmith...……

    .
    Experience is a wonderful thing - It lets you recognize a mistake, when you make it again.

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Abbreviations used in Reloading

BP Bronze Point IMR Improved Military Rifle PTD Pointed
BR Bench Rest M Magnum RN Round Nose
BT Boat Tail PL Power-Lokt SP Soft Point
C Compressed Charge PR Primer SPCL Soft Point "Core-Lokt"
HP Hollow Point PSPCL Pointed Soft Point "Core Lokt" C.O.L. Cartridge Overall Length
PSP Pointed Soft Point Spz Spitzer Point SBT Spitzer Boat Tail
LRN Lead Round Nose LWC Lead Wad Cutter LSWC Lead Semi Wad Cutter
GC Gas Check